#A42423#A42423

#A42423 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.2% C 0.165 H 26.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#A42423
RGB	rgb(164, 36, 35)
HSL	hsl(0, 65%, 39%)
HSV	hsv(0, 79%, 64%)
CMYK	cmyk(0%, 78%, 78.7%, 35.7%)
CIE-LAB	lab(36.51, 51.13, 33.51)
CIE-LCH	lch(36.51, 61.13, 33.24°)
OKLab	oklab(47.25% 0.1472 0.0736)
OKLCH	oklch(47.25% 0.165 26.6)
XYZ	xyz(16.2460, 9.2782, 2.5252)
Luminance	0.0928 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42423 #23A3A4

analogous

#A42363 #A42423 #A46523

triadic

#A42423 #23A424 #2423A4

tetradic

#A42423 #63A423 #23A3A4 #6523A4

square

#A42423 #63A423 #23A3A4 #6523A4

split-complementary

#A42423 #23A465 #2363A4

monochromatic

#3F0E0D #721918 #A42423 #D33231 #DE6564

Accessibility & contrast

On white

7.36

#A42423 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A42423 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42423

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42423	#FFFFFF	#000000	##FFFFFF
##A42423	1.00	7.36	2.86	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4421

Deuteranopia (green-blind)

#6B601E

Tritanopia (blue-blind)

#B50026

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42423;
/* rgb */ color: rgb(164, 36, 35);
/* oklch */ color: oklch(47.2% 0.165 26.6);

Tailwind

colors: {
  custom: {
    50: '#c86a5e',
    500: '#a42423',
    950: '#000000',
  },
}

SCSS

$custom: #a42423;
$custom-light: #c86a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42423",
  "rgb": {
    "r": 164,
    "g": 36,
    "b": 35
  },
  "hsl": {
    "h": 0.465,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47245,
    "c": 0.16453,
    "h": 26.6
  },
  "luminance": 0.09276
}

Semantic roles & 50–950 ramp

primary

#A42423

secondary

#60C2C3

accent

#E7E840

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42423

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

Preview Lab → · Contrast checker → · Palette generator →