#A42B23#A42B23

#A42B23 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.159 H 28.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#A42B23
RGB	rgb(164, 43, 35)
HSL	hsl(4, 65%, 39%)
HSV	hsv(4, 79%, 64%)
CMYK	cmyk(0%, 73.8%, 78.7%, 35.7%)
CIE-LAB	lab(37.38, 48.72, 34.42)
CIE-LCH	lch(37.38, 59.65, 35.24°)
OKLab	oklab(47.89% 0.1396 0.0756)
OKLCH	oklch(47.89% 0.159 28.4)
XYZ	xyz(16.4790, 9.7442, 2.6029)
Luminance	0.0974 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42B23 #239CA4

analogous

#A4235C #A42B23 #A46C23

triadic

#A42B23 #23A42B #2B23A4

tetradic

#A42B23 #5CA423 #239CA4 #6C23A4

square

#A42B23 #5CA423 #239CA4 #6C23A4

split-complementary

#A42B23 #23A46C #235CA4

monochromatic

#3F110D #721E18 #A42B23 #D33B31 #DE6B64

Accessibility & contrast

On white

7.12

#A42B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A42B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42B23

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42B23	#FFFFFF	#000000	##FFFFFF
##A42B23	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4721

Deuteranopia (green-blind)

#6D621E

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42b23;
/* rgb */ color: rgb(164, 43, 35);
/* oklch */ color: oklch(47.9% 0.159 28.4);

Tailwind

colors: {
  custom: {
    50: '#c86d5f',
    500: '#a42b23',
    950: '#000000',
  },
}

SCSS

$custom: #a42b23;
$custom-light: #c86d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a42b23",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 35
  },
  "hsl": {
    "h": 3.721,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4789,
    "c": 0.15872,
    "h": 28.4
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary

#A42B23

secondary

#60BDC3

accent

#DDE840

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42B23

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

Preview Lab → · Contrast checker → · Palette generator →