#A64237#A64237

#A64237 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.3% C 0.135 H 28.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#A64237
RGB	rgb(166, 66, 55)
HSL	hsl(6, 50%, 43%)
HSV	hsv(6, 67%, 65%)
CMYK	cmyk(0%, 60.2%, 66.9%, 34.9%)
CIE-LAB	lab(41.66, 40.53, 27.71)
CIE-LCH	lch(41.66, 49.10, 34.37°)
OKLab	oklab(51.25% 0.1178 0.065)
OKLCH	oklch(51.25% 0.135 28.9)
XYZ	xyz(18.3655, 12.2817, 5.0172)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64237 #379BA6

analogous

#A63763 #A64237 #A67937

triadic

#A64237 #37A642 #4237A6

tetradic

#A64237 #63A637 #379BA6 #7937A6

square

#A64237 #63A637 #379BA6 #7937A6

split-complementary

#A64237 #37A679 #3763A6

monochromatic

#4A1D19 #783028 #A64237 #C65F54 #D68A82

Accessibility & contrast

On white

6.08

#A64237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#A64237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64237

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64237	#FFFFFF	#000000	##FFFFFF
##A64237	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5535

Deuteranopia (green-blind)

#756A34

Tritanopia (blue-blind)

#B62D40

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a64237;
/* rgb */ color: rgb(166, 66, 55);
/* oklch */ color: oklch(51.3% 0.135 28.9);

Tailwind

colors: {
  custom: {
    50: '#c77a6e',
    500: '#a64237',
    950: '#000000',
  },
}

SCSS

$custom: #a64237;
$custom-light: #c77a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a64237",
  "rgb": {
    "r": 166,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5.946,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51254,
    "c": 0.13452,
    "h": 28.9
  },
  "luminance": 0.12279
}

Semantic roles & 50–950 ramp

primary

#A64237

secondary

#7AB8BF

accent

#CCDA4E

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #A64237

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

Preview Lab → · Contrast checker → · Palette generator →