#A1231D#A1231D

#A1231D is a mid, vivid red. Relative luminance 0.089; OKLCH L 46.5% C 0.163 H 28.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#A1231D
RGB	rgb(161, 35, 29)
HSL	hsl(3, 69%, 37%)
HSV	hsv(3, 82%, 63%)
CMYK	cmyk(0%, 78.3%, 82%, 36.9%)
CIE-LAB	lab(35.73, 50.31, 35.93)
CIE-LCH	lch(35.73, 61.83, 35.53°)
OKLab	oklab(46.54% 0.1437 0.0771)
OKLCH	oklch(46.54% 0.163 28.2)
XYZ	xyz(15.5226, 8.8703, 2.0570)
Luminance	0.0887 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1231D #1D9BA1

analogous

#A11D59 #A1231D #A1651D

triadic

#A1231D #1DA123 #231DA1

tetradic

#A1231D #59A11D #1D9BA1 #651DA1

square

#A1231D #59A11D #1D9BA1 #651DA1

split-complementary

#A1231D #1DA165 #1D59A1

monochromatic

#390C0A #6D1814 #A1231D #D52E26 #E15E58

Accessibility & contrast

On white

7.57

#A1231D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#A1231D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1231D

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1231D	#FFFFFF	#000000	##FFFFFF
##A1231D	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B421B

Deuteranopia (green-blind)

#695E17

Tritanopia (blue-blind)

#B20023

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a1231d;
/* rgb */ color: rgb(161, 35, 29);
/* oklch */ color: oklch(46.5% 0.163 28.2);

Tailwind

colors: {
  custom: {
    50: '#c6695a',
    500: '#a1231d',
    950: '#000000',
  },
}

SCSS

$custom: #a1231d;
$custom-light: #c6695a;
$custom-dark: #000000;

JSON

{
  "hex": "#a1231d",
  "rgb": {
    "r": 161,
    "g": 35,
    "b": 29
  },
  "hsl": {
    "h": 2.727,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46537,
    "c": 0.16309,
    "h": 28.2
  },
  "luminance": 0.08868
}

Semantic roles & 50–950 ramp

primary

#A1231D

secondary

#55BFC4

accent

#E4EC3C

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A1231D

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

Preview Lab → · Contrast checker → · Palette generator →