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#307DA1 Color

#307DA1 is rgb(48, 125, 161) in RGB, hsl(199, 54%, 41%) in HSL, and about cmyk(70%, 22%, 0%, 37%) in CMYK. It has no registered color name of its own — the closest is Cerulean (#007BA7), clearly related but distinguishable side by side at ΔE 5.9. White text is the more readable choice on this background.

#307DA1
HEX#307DA1
RGBrgb(48, 125, 161)
HSLhsl(199, 54%, 41%)
HSVhsv(199, 70%, 63%)
CMYKcmyk(70%, 22%, 0%, 37%)
OKLCHoklch(55.8% 0.093 232.2)
LABlab(48.91% -15.21 -26.73)
LCHlch(48.91% 30.75 240.36)

What #307DA1 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #307DA1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Cerulean#007BA7ΔE 5.9Sea Blue#006994ΔE 9.17Steel Blue#4682B4ΔE 9.68Air Force Blue#5D8AA8ΔE 10.03Zircon Blue#00849DΔE 10.17Teal Blue#367588ΔE 10.38

Browse the full index of named colors A-Z or every teal in the library.

#307DA1 Channel Values

How #307DA1 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 48 · G 125 · B 1618-bit channels as sent to the display
HSLH 199° · S 54% · L 41%Easiest model for building lighter and darker variants
HSVH 199° · S 70% · V 63%Matches the picker in most design tools
CMYKC 70% · M 22% · Y 0% · K 37%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.59:1 vs white · 4.57:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #307DA1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text4.59:1AA normal AA large AAA normal
TextBlack text4.57:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #307DA1 in the contrast checker.

Colors That Go With #307DA1

Pairings derived from color-wheel relationships. The complementary color sits opposite #307DA1; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#307DA1
Complementary
#A15430
Analogous
#30A18C
Analogous
#3045A1
Triadic
#A1307D
Triadic
#7DA130
Split comp.
#A13045
Split comp.
#A18C30

Tints & Shades of #307DA1

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#3996C0
#56A7CD
#76B7D6
#99CAE1
#B8DAEA
#D8EBF3

Shades

#2A6E8D
#235C76
#1D4C62
#173D4F
#122E3B
#0B1B23

Want a full 50-950 ramp with semantic roles? Generate design tokens from #307DA1.

How #307DA1 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#307DA1
Protanopia#7474A1
Protanomaly#6078A1
Deuteranopia#6B6BA2
Deuteranomaly#5973A2
Tritanopia#1A8282
Tritanomaly#248090
Achromatopsia#757575

Test a full palette in the color blindness simulator.

Using #307DA1 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-307da1: #307DA1;
CSS backgroundbackground-color: #307DA1;
Tailwind configcolors: { 'color-307da1': '#307DA1' }
SwiftUIColor(red: 0.188, green: 0.490, blue: 0.631)
Android XML<color name="color_307da1">#307DA1</color>
SVG fillfill="#307DA1"

More Teal Colors

#307DA1 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#307DA1 Frequently Asked Questions

What color is #307DA1?

#307DA1 is a mid-tone teal — rgb(48, 125, 161) in RGB and hsl(199, 54%, 41%) in HSL. It carries no registered color name of its own; the closest named color is Cerulean (#007BA7), which is clearly related but distinguishable side by side at a CIE76 distance of 5.9.

What is the RGB value of #307DA1?

#307DA1 is rgb(48, 125, 161) — red 48, green 125, and blue 161 on the 0-255 scale.

What is the CMYK value of #307DA1?

#307DA1 converts to approximately cmyk(70%, 22%, 0%, 37%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #307DA1 be black or white?

White text is the more readable choice. #307DA1 scores 4.59:1 against white and 4.57:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #307DA1 as a CSS color keyword?

No. #307DA1 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is steelblue (#4682B4) at a CIE76 distance of 9.68, which is clearly related but distinguishable side by side.

Open #307DA1 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.