#A42B22#A42B22

#A42B22 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.159 H 28.8°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#A42B22
RGB	rgb(164, 43, 34)
HSL	hsl(4, 66%, 39%)
HSV	hsv(4, 79%, 64%)
CMYK	cmyk(0%, 73.8%, 79.3%, 35.7%)
CIE-LAB	lab(37.37, 48.69, 34.98)
CIE-LCH	lch(37.37, 59.95, 35.69°)
OKLab	oklab(47.88% 0.1393 0.0765)
OKLCH	oklch(47.88% 0.159 28.8)
XYZ	xyz(16.4644, 9.7383, 2.5258)
Luminance	0.0974 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42B22 #229BA4

analogous

#A4225A #A42B22 #A46C22

triadic

#A42B22 #22A42B #2B22A4

tetradic

#A42B22 #5AA422 #229BA4 #6C22A4

square

#A42B22 #5AA422 #229BA4 #6C22A4

split-complementary

#A42B22 #22A46C #225AA4

monochromatic

#3F100D #711E17 #A42B22 #D43B2F #DE6B62

Accessibility & contrast

On white

7.13

#A42B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A42B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42B22

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42B22	#FFFFFF	#000000	##FFFFFF
##A42B22	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4720

Deuteranopia (green-blind)

#6D621D

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42b22;
/* rgb */ color: rgb(164, 43, 34);
/* oklch */ color: oklch(47.9% 0.159 28.8);

Tailwind

colors: {
  custom: {
    50: '#c86d5e',
    500: '#a42b22',
    950: '#000000',
  },
}

SCSS

$custom: #a42b22;
$custom-light: #c86d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42b22",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 34
  },
  "hsl": {
    "h": 4.154,
    "s": 65.657,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47878,
    "c": 0.15888,
    "h": 28.8
  },
  "luminance": 0.09736
}

Semantic roles & 50–950 ramp

primary

#A42B22

secondary

#5EBCC4

accent

#DDE93F

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42B22

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

Preview Lab → · Contrast checker → · Palette generator →