#A42323#A42323

#A42323 is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.165 H 26.3°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#A42323
RGB	rgb(164, 35, 35)
HSL	hsl(0, 65%, 39%)
HSV	hsv(0, 79%, 64%)
CMYK	cmyk(0%, 78.7%, 78.7%, 35.7%)
CIE-LAB	lab(36.40, 51.45, 33.39)
CIE-LCH	lch(36.40, 61.33, 32.98°)
OKLab	oklab(47.16% 0.1482 0.0733)
OKLCH	oklch(47.16% 0.165 26.3)
XYZ	xyz(16.2162, 9.2185, 2.5153)
Luminance	0.0922 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42323 #23A4A4

analogous

#A42364 #A42323 #A46423

triadic

#A42323 #23A423 #2323A4

tetradic

#A42323 #64A423 #23A4A4 #6423A4

square

#A42323 #64A423 #23A4A4 #6423A4

split-complementary

#A42323 #23A464 #2364A4

monochromatic

#3F0D0D #721818 #A42323 #D33131 #DE6464

Accessibility & contrast

On white

7.39

#A42323 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A42323 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42323

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42323	#FFFFFF	#000000	##FFFFFF
##A42323	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4421

Deuteranopia (green-blind)

#6B601D

Tritanopia (blue-blind)

#B50025

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42323;
/* rgb */ color: rgb(164, 35, 35);
/* oklch */ color: oklch(47.2% 0.165 26.3);

Tailwind

colors: {
  custom: {
    50: '#c86a5e',
    500: '#a42323',
    950: '#000000',
  },
}

SCSS

$custom: #a42323;
$custom-light: #c86a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42323",
  "rgb": {
    "r": 164,
    "g": 35,
    "b": 35
  },
  "hsl": {
    "h": 0,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47161,
    "c": 0.16531,
    "h": 26.3
  },
  "luminance": 0.09216
}

Semantic roles & 50–950 ramp

primary

#A42323

secondary

#60C3C3

accent

#E8E840

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42323

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

Preview Lab → · Contrast checker → · Palette generator →