#A64E37#A64E37

#A64E37 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.0% C 0.122 H 35.7°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#A64E37
RGB	rgb(166, 78, 55)
HSL	hsl(12, 50%, 43%)
HSV	hsv(12, 67%, 65%)
CMYK	cmyk(0%, 53%, 66.9%, 34.9%)
CIE-LAB	lab(43.99, 34.48, 30.52)
CIE-LCH	lch(43.99, 46.05, 41.51°)
OKLab	oklab(53.02% 0.099 0.0712)
OKLCH	oklch(53.02% 0.122 35.7)
XYZ	xyz(19.1416, 13.8339, 5.2759)
Luminance	0.1383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64E37 #378FA6

analogous

#A63758 #A64E37 #A68537

triadic

#A64E37 #37A64E #4E37A6

tetradic

#A64E37 #58A637 #378FA6 #8537A6

square

#A64E37 #58A637 #378FA6 #8537A6

split-complementary

#A64E37 #37A685 #3758A6

monochromatic

#4A2319 #783828 #A64E37 #C66C54 #D69382

Accessibility & contrast

On white

5.58

#A64E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#A64E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64E37

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64E37	#FFFFFF	#000000	##FFFFFF
##A64E37	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#7B6F35

Tritanopia (blue-blind)

#B63D49

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #a64e37;
/* rgb */ color: rgb(166, 78, 55);
/* oklch */ color: oklch(53.0% 0.122 35.7);

Tailwind

colors: {
  custom: {
    50: '#c6826e',
    500: '#a64e37',
    950: '#000000',
  },
}

SCSS

$custom: #a64e37;
$custom-light: #c6826e;
$custom-dark: #000000;

JSON

{
  "hex": "#a64e37",
  "rgb": {
    "r": 166,
    "g": 78,
    "b": 55
  },
  "hsl": {
    "h": 12.432,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.53022,
    "c": 0.12194,
    "h": 35.7
  },
  "luminance": 0.13832
}

Semantic roles & 50–950 ramp

primary

#A64E37

secondary

#7AB1BF

accent

#BDDA4E

background

#FCF8F6

surface

#F9EFEC

border

#D2CAC7

text

#140A07

muted

#827C7A

Preview Lab

Preview with #A64E37

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

Preview Lab → · Contrast checker → · Palette generator →