#A0251B#A0251B

#A0251B is a mid, vivid red. Relative luminance 0.089; OKLCH L 46.5% C 0.161 H 29.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#A0251B
RGB	rgb(160, 37, 27)
HSL	hsl(5, 71%, 37%)
HSV	hsv(5, 83%, 63%)
CMYK	cmyk(0%, 76.9%, 83.1%, 37.3%)
CIE-LAB	lab(35.75, 49.28, 36.97)
CIE-LCH	lch(35.75, 61.61, 36.88°)
OKLab	oklab(46.51% 0.1402 0.0788)
OKLCH	oklch(46.51% 0.161 29.3)
XYZ	xyz(15.3585, 8.8783, 1.9417)
Luminance	0.0888 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0251B #1B96A0

analogous

#A01B54 #A0251B #A0681B

triadic

#A0251B #1BA025 #251BA0

tetradic

#A0251B #54A01B #1B96A0 #681BA0

square

#A0251B #54A01B #1B96A0 #681BA0

split-complementary

#A0251B #1BA068 #1B54A0

monochromatic

#370D09 #6C1912 #A0251B #D43124 #E25E53

Accessibility & contrast

On white

7.57

#A0251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#A0251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0251B

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0251B	#FFFFFF	#000000	##FFFFFF
##A0251B	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4318

Deuteranopia (green-blind)

#695E15

Tritanopia (blue-blind)

#B10024

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a0251b;
/* rgb */ color: rgb(160, 37, 27);
/* oklch */ color: oklch(46.5% 0.161 29.3);

Tailwind

colors: {
  custom: {
    50: '#c56a59',
    500: '#a0251b',
    950: '#000000',
  },
}

SCSS

$custom: #a0251b;
$custom-light: #c56a59;
$custom-dark: #000000;

JSON

{
  "hex": "#a0251b",
  "rgb": {
    "r": 160,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 4.511,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46506,
    "c": 0.16081,
    "h": 29.3
  },
  "luminance": 0.08876
}

Semantic roles & 50–950 ramp

primary

#A0251B

secondary

#52BCC5

accent

#E0EE3A

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0251B

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

Preview Lab → · Contrast checker → · Palette generator →