#7A181C#7A181C

#7A181C is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.1% C 0.132 H 24.3°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#7A181C
RGB	rgb(122, 24, 28)
HSL	hsl(358, 67%, 29%)
HSV	hsv(358, 80%, 48%)
CMYK	cmyk(0%, 80.3%, 77%, 52.2%)
CIE-LAB	lab(26.38, 41.48, 24.19)
CIE-LCH	lch(26.38, 48.02, 30.25°)
OKLab	oklab(38.14% 0.1205 0.0545)
OKLCH	oklch(38.14% 0.132 24.3)
XYZ	xyz(8.5633, 4.8760, 1.5887)
Luminance	0.0488 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7A181C #187A76

analogous

#7A184D #7A181C #7A4518

triadic

#7A181C #1C7A18 #181C7A

tetradic

#7A181C #4D7A18 #187A76 #45187A

square

#7A181C #4D7A18 #187A76 #45187A

split-complementary

#7A181C #187A45 #184D7A

monochromatic

#1A0506 #470E10 #7A181C #AD2228 #D7353C

Accessibility & contrast

On white

10.63

#7A181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#7A181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7A181C

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7A181C	#FFFFFF	#000000	##FFFFFF
##7A181C	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311B

Deuteranopia (green-blind)

#4E4618

Tritanopia (blue-blind)

#87001B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #7a181c;
/* rgb */ color: rgb(122, 24, 28);
/* oklch */ color: oklch(38.1% 0.132 24.3);

Tailwind

colors: {
  custom: {
    50: '#a85f58',
    500: '#7a181c',
    950: '#000000',
  },
}

SCSS

$custom: #7a181c;
$custom-light: #a85f58;
$custom-dark: #000000;

JSON

{
  "hex": "#7a181c",
  "rgb": {
    "r": 122,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.551,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3814,
    "c": 0.13227,
    "h": 24.3
  },
  "luminance": 0.04875
}

Semantic roles & 50–950 ramp

primary

#7A181C

secondary

#3FAFAA

accent

#EAE33E

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110503

muted

#807978

Preview Lab

Preview with #7A181C

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

Preview Lab → · Contrast checker → · Palette generator →