#A23031#A23031

#A23031 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.3% C 0.150 H 24.3°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#A23031
RGB	rgb(162, 48, 49)
HSL	hsl(359, 54%, 41%)
HSV	hsv(359, 70%, 64%)
CMYK	cmyk(0%, 70.4%, 69.8%, 36.5%)
CIE-LAB	lab(37.88, 46.77, 26.57)
CIE-LCH	lch(37.88, 53.79, 29.61°)
OKLab	oklab(48.25% 0.1367 0.0617)
OKLCH	oklch(48.25% 0.15 24.3)
XYZ	xyz(16.5134, 10.0195, 3.9696)
Luminance	0.1002 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23031 #30A2A1

analogous

#A2306A #A23031 #A26830

triadic

#A23031 #31A230 #3031A2

tetradic

#A23031 #6AA230 #30A2A1 #6830A2

square

#A23031 #6AA230 #30A2A1 #6830A2

split-complementary

#A23031 #30A268 #306AA2

monochromatic

#441414 #732223 #A23031 #C84748 #D67677

Accessibility & contrast

On white

6.99

#A23031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#A23031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23031

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23031	#FFFFFF	#000000	##FFFFFF
##A23031	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A30

Deuteranopia (green-blind)

#6C622D

Tritanopia (blue-blind)

#B20C32

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a23031;
/* rgb */ color: rgb(162, 48, 49);
/* oklch */ color: oklch(48.3% 0.150 24.3);

Tailwind

colors: {
  custom: {
    50: '#c57069',
    500: '#a23031',
    950: '#000000',
  },
}

SCSS

$custom: #a23031;
$custom-light: #c57069;
$custom-dark: #000000;

JSON

{
  "hex": "#a23031",
  "rgb": {
    "r": 162,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.474,
    "s": 54.286,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4825,
    "c": 0.14998,
    "h": 24.3
  },
  "luminance": 0.10017
}

Semantic roles & 50–950 ramp

primary

#A23031

secondary

#6FBEBE

accent

#DEDC4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A23031

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

Preview Lab → · Contrast checker → · Palette generator →