#7F181F#7F181F

#7F181F is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.2% C 0.137 H 23.2°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#7F181F
RGB	rgb(127, 24, 31)
HSL	hsl(356, 68%, 30%)
HSV	hsv(356, 81%, 50%)
CMYK	cmyk(0%, 81.1%, 75.6%, 50.2%)
CIE-LAB	lab(27.48, 43.22, 23.81)
CIE-LCH	lch(27.48, 49.35, 28.86°)
OKLab	oklab(39.16% 0.1261 0.054)
OKLCH	oklch(39.16% 0.137 23.2)
XYZ	xyz(9.3274, 5.2657, 1.8213)
Luminance	0.0526 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7F181F #187F78

analogous

#7F1853 #7F181F #7F4418

triadic

#7F181F #1F7F18 #181F7F

tetradic

#7F181F #537F18 #187F78 #44187F

square

#7F181F #537F18 #187F78 #44187F

split-complementary

#7F181F #187F44 #18537F

monochromatic

#1A0506 #4C0E12 #7F181F #B2222C #D93843

Accessibility & contrast

On white

10.23

#7F181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#7F181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7F181F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7F181F	#FFFFFF	#000000	##FFFFFF
##7F181F	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331E

Deuteranopia (green-blind)

#51491B

Tritanopia (blue-blind)

#8C001C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #7f181f;
/* rgb */ color: rgb(127, 24, 31);
/* oklch */ color: oklch(39.2% 0.137 23.2);

Tailwind

colors: {
  custom: {
    50: '#ac605a',
    500: '#7f181f',
    950: '#000000',
  },
}

SCSS

$custom: #7f181f;
$custom-light: #ac605a;
$custom-dark: #000000;

JSON

{
  "hex": "#7f181f",
  "rgb": {
    "r": 127,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.922,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39159,
    "c": 0.13716,
    "h": 23.2
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#7F181F

secondary

#3FB3AB

accent

#EBDF3D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #7F181F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →