#372F4B Color

#372F4B is rgb(55, 47, 75) in RGB, hsl(257, 23%, 24%) in HSL, and about cmyk(27%, 37%, 0%, 71%) in CMYK. It has no registered color name of its own — the closest is English Violet (#563C5C), visibly different at ΔE 11.08. White text is the more readable choice on this background.

#372F4B

HEX#372F4B

RGBrgb(55, 47, 75)

HSLhsl(257, 23%, 24%)

HSVhsv(257, 37%, 29%)

CMYKcmyk(27%, 37%, 0%, 71%)

OKLCHoklch(32.7% 0.05 296.7)

LABlab(21.26% 9.05 -16.12)

LCHlch(21.26% 18.49 299.31)

What #372F4B 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 #372F4B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

English Violet#563C5CΔE 11.08 Dark Purple#301934ΔE 11.11 Space Cadet#1D2951ΔE 11.65 Purple Taupe#50404DΔE 13.53 Deep Navy#0B1F3AΔE 13.77 Graphite#41424CΔE 14.32

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

#372F4B Channel Values

How #372F4B breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 55 · G 47 · B 75	8-bit channels as sent to the display
HSL	H 257° · S 23% · L 24%	Easiest model for building lighter and darker variants
HSV	H 257° · S 37% · V 29%	Matches the picker in most design tools
CMYK	C 27% · M 37% · Y 0% · K 71%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	12.57:1 vs white · 1.67:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #372F4B 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 text12.57:1AA normal AA large AAA normal

Fails AABlack text1.67:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #372F4B in the contrast checker.

Colors That Go With #372F4B

Pairings derived from color-wheel relationships. The complementary color sits opposite #372F4B; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #372F4B

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #372F4B.

How #372F4B 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#372F4B

Protanopia#30304B

Protanomaly#33304B

Deuteranopia#32324B

Deuteranomaly#34314B

Tritanopia#333333

Tritanomaly#35323E

Achromatopsia#333333

Test a full palette in the color blindness simulator.

Using #372F4B in Code

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

CSS custom property--color-372f4b: #372F4B;

CSS backgroundbackground-color: #372F4B;

Tailwind configcolors: { 'color-372f4b': '#372F4B' }

SwiftUIColor(red: 0.216, green: 0.184, blue: 0.294)

Android XML<color name="color_372f4b">#372F4B</color>

SVG fillfill="#372F4B"

More Purple Colors

#372F4B sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024 fdf8ff 170b22 fdf4ff 1b0d35 faf5ff 1d0731 fae8ff 1e0033 f6cfff 20002e f3e8ff 300052 402060 541490 6600cc 7008e7 8806ce 9900cc a11fff b19cd9 c27aff cebeef e0b2eb

#372F4B Frequently Asked Questions

What color is #372F4B?

#372F4B is a dark purple — rgb(55, 47, 75) in RGB and hsl(257, 23%, 24%) in HSL. It carries no registered color name of its own; the closest named color is English Violet (#563C5C), which is visibly different at a CIE76 distance of 11.08.

What is the RGB value of #372F4B?

#372F4B is rgb(55, 47, 75) — red 55, green 47, and blue 75 on the 0-255 scale.

What is the CMYK value of #372F4B?

#372F4B converts to approximately cmyk(27%, 37%, 0%, 71%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #372F4B be black or white?

White text is the more readable choice. #372F4B scores 12.57:1 against white and 1.67:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #372F4B as a CSS color keyword?

No. #372F4B 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 darkslategray (#2F4F4F) at a CIE76 distance of 26.46, which is a different colour altogether.

Open #372F4B in a Tool

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