#A1251B#A1251B

#A1251B is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.7% C 0.162 H 29.3°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#A1251B
RGB	rgb(161, 37, 27)
HSL	hsl(4, 71%, 37%)
HSV	hsv(4, 83%, 63%)
CMYK	cmyk(0%, 77%, 83.2%, 36.9%)
CIE-LAB	lab(35.95, 49.60, 37.23)
CIE-LCH	lch(35.95, 62.02, 36.89°)
OKLab	oklab(46.69% 0.1411 0.0793)
OKLCH	oklch(46.69% 0.162 29.3)
XYZ	xyz(15.5592, 8.9818, 1.9511)
Luminance	0.0898 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1251B #1B97A1

analogous

#A11B54 #A1251B #A1681B

triadic

#A1251B #1BA125 #251BA1

tetradic

#A1251B #54A11B #1B97A1 #681BA1

square

#A1251B #54A11B #1B97A1 #681BA1

split-complementary

#A1251B #1BA168 #1B54A1

monochromatic

#380D09 #6D1912 #A1251B #D53124 #E25F54

Accessibility & contrast

On white

7.51

#A1251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#A1251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1251B

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1251B	#FFFFFF	#000000	##FFFFFF
##A1251B	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4318

Deuteranopia (green-blind)

#6A5E14

Tritanopia (blue-blind)

#B20024

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a1251b;
/* rgb */ color: rgb(161, 37, 27);
/* oklch */ color: oklch(46.7% 0.162 29.3);

Tailwind

colors: {
  custom: {
    50: '#c66a59',
    500: '#a1251b',
    950: '#000000',
  },
}

SCSS

$custom: #a1251b;
$custom-light: #c66a59;
$custom-dark: #000000;

JSON

{
  "hex": "#a1251b",
  "rgb": {
    "r": 161,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 4.478,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46692,
    "c": 0.1618,
    "h": 29.3
  },
  "luminance": 0.08979
}

Semantic roles & 50–950 ramp

primary

#A1251B

secondary

#52BDC5

accent

#E1EE3A

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A1251B

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

Preview Lab → · Contrast checker → · Palette generator →