#A64F37#A64F37

#A64F37 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.2% C 0.121 H 36.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#A64F37
RGB	rgb(166, 79, 55)
HSL	hsl(13, 50%, 43%)
HSV	hsv(13, 67%, 65%)
CMYK	cmyk(0%, 52.4%, 66.9%, 34.9%)
CIE-LAB	lab(44.20, 33.96, 30.77)
CIE-LCH	lch(44.20, 45.83, 42.18°)
OKLab	oklab(53.18% 0.0974 0.0717)
OKLCH	oklch(53.18% 0.121 36.4)
XYZ	xyz(19.2132, 13.9771, 5.2998)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64F37 #378EA6

analogous

#A63756 #A64F37 #A68637

triadic

#A64F37 #37A64F #4F37A6

tetradic

#A64F37 #56A637 #378EA6 #8637A6

square

#A64F37 #56A637 #378EA6 #8637A6

split-complementary

#A64F37 #37A686 #3756A6

monochromatic

#4A2319 #783928 #A64F37 #C66D54 #D69482

Accessibility & contrast

On white

5.53

#A64F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#A64F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64F37

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64F37	#FFFFFF	#000000	##FFFFFF
##A64F37	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D34

Deuteranopia (green-blind)

#7B7035

Tritanopia (blue-blind)

#B63E49

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #a64f37;
/* rgb */ color: rgb(166, 79, 55);
/* oklch */ color: oklch(53.2% 0.121 36.4);

Tailwind

colors: {
  custom: {
    50: '#c6826e',
    500: '#a64f37',
    950: '#000000',
  },
}

SCSS

$custom: #a64f37;
$custom-light: #c6826e;
$custom-dark: #000000;

JSON

{
  "hex": "#a64f37",
  "rgb": {
    "r": 166,
    "g": 79,
    "b": 55
  },
  "hsl": {
    "h": 12.973,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.53179,
    "c": 0.12094,
    "h": 36.4
  },
  "luminance": 0.13975
}

Semantic roles & 50–950 ramp

primary

#A64F37

secondary

#7AB0BF

accent

#BCDA4E

background

#FCF8F6

surface

#F9EFEC

border

#D2CAC7

text

#140B07

muted

#827C7A

Preview Lab

Preview with #A64F37

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

Preview Lab → · Contrast checker → · Palette generator →