Skip to content

#F7181B Color

#F7181B is rgb(247, 24, 27) in RGB, hsl(359, 93%, 53%) in HSL, and about cmyk(0%, 90%, 89%, 3%) in CMYK. It has no registered color name of its own — the closest is Vivid Red (#F70D1A), below the threshold most people can see at ΔE 1.19. Black text is the more readable choice on this background.

#F7181B
HEX#F7181B
RGBrgb(247, 24, 27)
HSLhsl(359, 93%, 53%)
HSVhsv(359, 90%, 97%)
CMYKcmyk(0%, 90%, 89%, 3%)
OKLCHoklch(61.9% 0.245 28.1)
LABlab(53.40% 77.04 60.21)
LCHlch(53.40% 97.78 38.01)

What #F7181B 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 #F7181B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#F7181B Channel Values

How #F7181B 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 247 · G 24 · B 278-bit channels as sent to the display
HSLH 359° · S 93% · L 53%Easiest model for building lighter and darker variants
HSVH 359° · S 90% · V 97%Matches the picker in most design tools
CMYKC 0% · M 90% · Y 89% · K 3%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.12:1 vs white · 5.1:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #F7181B 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.

Fails AAWhite text4.12:1AA normal AA large AAA normal
TextBlack text5.1:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #F7181B in the contrast checker.

Colors That Go With #F7181B

Pairings derived from color-wheel relationships. The complementary color sits opposite #F7181B; 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 #F7181B

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 #F7181B.

How #F7181B 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#F7181B
Protanopia#717114
Protanomaly#B75A17
Deuteranopia#989800
Deuteranomaly#C57900
Tritanopia#F71818
Tritanomaly#F71819
Achromatopsia#7D7D7D

Test a full palette in the color blindness simulator.

Using #F7181B in Code

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

CSS custom property--color-f7181b: #F7181B;
CSS backgroundbackground-color: #F7181B;
Tailwind configcolors: { 'color-f7181b': '#F7181B' }
SwiftUIColor(red: 0.969, green: 0.094, blue: 0.106)
Android XML<color name="color_f7181b">#F7181B</color>
SVG fillfill="#F7181B"

More Red Colors

#F7181B sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#F7181B Frequently Asked Questions

What color is #F7181B?

#F7181B is a mid-tone red — rgb(247, 24, 27) in RGB and hsl(359, 93%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Red (#F70D1A), which is below the threshold most people can see at a CIE76 distance of 1.19.

What is the RGB value of #F7181B?

#F7181B is rgb(247, 24, 27) — red 247, green 24, and blue 27 on the 0-255 scale.

What is the CMYK value of #F7181B?

#F7181B converts to approximately cmyk(0%, 90%, 89%, 3%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #F7181B be black or white?

Black text is the more readable choice. #F7181B scores 4.12:1 against white and 5.1:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #F7181B as a CSS color keyword?

No. #F7181B 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 red (#FF0000) at a CIE76 distance of 10.42, which is visibly different.

Open #F7181B in a Tool

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