#A23631#A23631

#A23631 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.144 H 26.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A23631
RGB	rgb(162, 54, 49)
HSL	hsl(3, 54%, 41%)
HSV	hsv(3, 70%, 64%)
CMYK	cmyk(0%, 66.7%, 69.8%, 36.5%)
CIE-LAB	lab(38.80, 44.26, 27.68)
CIE-LCH	lch(38.80, 52.20, 32.03°)
OKLab	oklab(48.94% 0.1288 0.0642)
OKLCH	oklch(48.94% 0.144 26.5)
XYZ	xyz(16.7756, 10.5438, 4.0570)
Luminance	0.1054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23631 #319DA2

analogous

#A23165 #A23631 #A26F31

triadic

#A23631 #31A236 #3631A2

tetradic

#A23631 #65A231 #319DA2 #6F31A2

square

#A23631 #65A231 #319DA2 #6F31A2

split-complementary

#A23631 #31A26F #3165A2

monochromatic

#441715 #732623 #A23631 #C84E48 #D67C77

Accessibility & contrast

On white

6.76

#A23631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A23631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23631

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23631	#FFFFFF	#000000	##FFFFFF
##A23631	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D30

Deuteranopia (green-blind)

#6F642E

Tritanopia (blue-blind)

#B21A36

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a23631;
/* rgb */ color: rgb(162, 54, 49);
/* oklch */ color: oklch(48.9% 0.144 26.5);

Tailwind

colors: {
  custom: {
    50: '#c57369',
    500: '#a23631',
    950: '#000000',
  },
}

SCSS

$custom: #a23631;
$custom-light: #c57369;
$custom-dark: #000000;

JSON

{
  "hex": "#a23631",
  "rgb": {
    "r": 162,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.655,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48942,
    "c": 0.14386,
    "h": 26.5
  },
  "luminance": 0.10541
}

Semantic roles & 50–950 ramp

primary

#A23631

secondary

#71BBBE

accent

#D6DD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A23631

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

Preview Lab → · Contrast checker → · Palette generator →