#7A181F#7A181F

#7A181F is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.2% C 0.132 H 22.7°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#7A181F
RGB	rgb(122, 24, 31)
HSL	hsl(356, 67%, 29%)
HSV	hsv(356, 80%, 48%)
CMYK	cmyk(0%, 80.3%, 74.6%, 52.2%)
CIE-LAB	lab(26.42, 41.62, 22.31)
CIE-LCH	lch(26.42, 47.23, 28.19°)
OKLab	oklab(38.19% 0.1217 0.051)
OKLCH	oklch(38.19% 0.132 22.7)
XYZ	xyz(8.6010, 4.8911, 1.7873)
Luminance	0.0489 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7A181F #187A73

analogous

#7A1850 #7A181F #7A4218

triadic

#7A181F #1F7A18 #181F7A

tetradic

#7A181F #507A18 #187A73 #42187A

square

#7A181F #507A18 #187A73 #42187A

split-complementary

#7A181F #187A42 #18507A

monochromatic

#1A0506 #470E12 #7A181F #AD222C #D73541

Accessibility & contrast

On white

10.62

#7A181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#7A181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7A181F

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7A181F	#FFFFFF	#000000	##FFFFFF
##7A181F	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311E

Deuteranopia (green-blind)

#4E461C

Tritanopia (blue-blind)

#87001C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #7a181f;
/* rgb */ color: rgb(122, 24, 31);
/* oklch */ color: oklch(38.2% 0.132 22.7);

Tailwind

colors: {
  custom: {
    50: '#a85f5a',
    500: '#7a181f',
    950: '#000000',
  },
}

SCSS

$custom: #7a181f;
$custom-light: #a85f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#7a181f",
  "rgb": {
    "r": 122,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.714,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38186,
    "c": 0.13197,
    "h": 22.7
  },
  "luminance": 0.0489
}

Semantic roles & 50–950 ramp

primary

#7A181F

secondary

#3FAFA7

accent

#EADE3E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7A181F

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

Preview Lab → · Contrast checker → · Palette generator →