#A64337#A64337

#A64337 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.4% C 0.133 H 29.4°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#A64337
RGB	rgb(166, 67, 55)
HSL	hsl(6, 50%, 43%)
HSV	hsv(6, 67%, 65%)
CMYK	cmyk(0%, 59.6%, 66.9%, 34.9%)
CIE-LAB	lab(41.84, 40.04, 27.94)
CIE-LCH	lch(41.84, 48.82, 34.90°)
OKLab	oklab(51.39% 0.1163 0.0655)
OKLCH	oklch(51.39% 0.133 29.4)
XYZ	xyz(18.4244, 12.3996, 5.0368)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64337 #379AA6

analogous

#A63763 #A64337 #A67A37

triadic

#A64337 #37A643 #4337A6

tetradic

#A64337 #63A637 #379AA6 #7A37A6

square

#A64337 #63A637 #379AA6 #7A37A6

split-complementary

#A64337 #37A67A #3763A6

monochromatic

#4A1E19 #783028 #A64337 #C66054 #D68B82

Accessibility & contrast

On white

6.04

#A64337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#A64337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64337

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64337	#FFFFFF	#000000	##FFFFFF
##A64337	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5535

Deuteranopia (green-blind)

#766B34

Tritanopia (blue-blind)

#B62F41

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a64337;
/* rgb */ color: rgb(166, 67, 55);
/* oklch */ color: oklch(51.4% 0.133 29.4);

Tailwind

colors: {
  custom: {
    50: '#c77b6e',
    500: '#a64337',
    950: '#000000',
  },
}

SCSS

$custom: #a64337;
$custom-light: #c77b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a64337",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 6.486,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51393,
    "c": 0.13345,
    "h": 29.4
  },
  "luminance": 0.12397
}

Semantic roles & 50–950 ramp

primary

#A64337

secondary

#7AB8BF

accent

#CBDA4E

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140A07

muted

#837C7A

Preview Lab

Preview with #A64337

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

Preview Lab → · Contrast checker → · Palette generator →