#A6331C#A6331C

#A6331C is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.155 H 33.2°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A6331C
RGB	rgb(166, 51, 28)
HSL	hsl(10, 71%, 38%)
HSV	hsv(10, 83%, 65%)
CMYK	cmyk(0%, 69.3%, 83.1%, 34.9%)
CIE-LAB	lab(38.83, 46.04, 39.77)
CIE-LCH	lch(38.83, 60.84, 40.82°)
OKLab	oklab(49.03% 0.1296 0.0848)
OKLCH	oklch(49.03% 0.155 33.2)
XYZ	xyz(17.1213, 10.5611, 2.2354)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6331C #1C8FA6

analogous

#A61C4A #A6331C #A6781C

triadic

#A6331C #1CA633 #331CA6

tetradic

#A6331C #4AA61C #1C8FA6 #781CA6

square

#A6331C #4AA61C #1C8FA6 #781CA6

split-complementary

#A6331C #1CA678 #1C4AA6

monochromatic

#3D130A #722313 #A6331C #DA4325 #E37059

Accessibility & contrast

On white

6.75

#A6331C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A6331C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6331C

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6331C	#FFFFFF	#000000	##FFFFFF
##A6331C	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B18

Deuteranopia (green-blind)

#716516

Tritanopia (blue-blind)

#B7092F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a6331c;
/* rgb */ color: rgb(166, 51, 28);
/* oklch */ color: oklch(49.0% 0.155 33.2);

Tailwind

colors: {
  custom: {
    50: '#c9725a',
    500: '#a6331c',
    950: '#000000',
  },
}

SCSS

$custom: #a6331c;
$custom-light: #c9725a;
$custom-dark: #000000;

JSON

{
  "hex": "#a6331c",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 28
  },
  "hsl": {
    "h": 10,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.49025,
    "c": 0.1549,
    "h": 33.2
  },
  "luminance": 0.10558
}

Semantic roles & 50–950 ramp

primary

#A6331C

secondary

#57B4C7

accent

#D0EE3A

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6331C

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

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