#A0231D#A0231D

#A0231D is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.4% C 0.162 H 28.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#A0231D
RGB	rgb(160, 35, 29)
HSL	hsl(3, 69%, 37%)
HSV	hsv(3, 82%, 63%)
CMYK	cmyk(0%, 78.1%, 81.9%, 37.3%)
CIE-LAB	lab(35.53, 50.00, 35.66)
CIE-LCH	lch(35.53, 61.42, 35.50°)
OKLab	oklab(46.35% 0.1428 0.0766)
OKLCH	oklch(46.35% 0.162 28.2)
XYZ	xyz(15.3219, 8.7668, 2.0476)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0231D #1D9AA0

analogous

#A01D59 #A0231D #A0651D

triadic

#A0231D #1DA023 #231DA0

tetradic

#A0231D #59A01D #1D9AA0 #651DA0

square

#A0231D #59A01D #1D9AA0 #651DA0

split-complementary

#A0231D #1DA065 #1D59A0

monochromatic

#380C0A #6C1814 #A0231D #D42E26 #E15D57

Accessibility & contrast

On white

7.63

#A0231D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#A0231D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0231D

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0231D	#FFFFFF	#000000	##FFFFFF
##A0231D	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421B

Deuteranopia (green-blind)

#695D17

Tritanopia (blue-blind)

#B10023

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a0231d;
/* rgb */ color: rgb(160, 35, 29);
/* oklch */ color: oklch(46.4% 0.162 28.2);

Tailwind

colors: {
  custom: {
    50: '#c5695a',
    500: '#a0231d',
    950: '#000000',
  },
}

SCSS

$custom: #a0231d;
$custom-light: #c5695a;
$custom-dark: #000000;

JSON

{
  "hex": "#a0231d",
  "rgb": {
    "r": 160,
    "g": 35,
    "b": 29
  },
  "hsl": {
    "h": 2.748,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4635,
    "c": 0.1621,
    "h": 28.2
  },
  "luminance": 0.08764
}

Semantic roles & 50–950 ramp

primary

#A0231D

secondary

#55BFC4

accent

#E4EC3C

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A0231D

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

Preview Lab → · Contrast checker → · Palette generator →