#A6331E#A6331E

#A6331E is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.155 H 32.6°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A6331E
RGB	rgb(166, 51, 30)
HSL	hsl(9, 69%, 38%)
HSV	hsv(9, 82%, 65%)
CMYK	cmyk(0%, 69.3%, 81.9%, 34.9%)
CIE-LAB	lab(38.85, 46.10, 38.76)
CIE-LCH	lch(38.85, 60.23, 40.05°)
OKLab	oklab(49.04% 0.1302 0.0832)
OKLCH	oklch(49.04% 0.155 32.6)
XYZ	xyz(17.1460, 10.5710, 2.3656)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6331E #1E91A6

analogous

#A61E4D #A6331E #A6771E

triadic

#A6331E #1EA633 #331EA6

tetradic

#A6331E #4DA61E #1E91A6 #771EA6

square

#A6331E #4DA61E #1E91A6 #771EA6

split-complementary

#A6331E #1EA677 #1E4DA6

monochromatic

#3E130B #722315 #A6331E #D84429 #E2715D

Accessibility & contrast

On white

6.74

#A6331E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A6331E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6331E

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6331E	#FFFFFF	#000000	##FFFFFF
##A6331E	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B1A

Deuteranopia (green-blind)

#716519

Tritanopia (blue-blind)

#B7092F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a6331e;
/* rgb */ color: rgb(166, 51, 30);
/* oklch */ color: oklch(49.0% 0.155 32.6);

Tailwind

colors: {
  custom: {
    50: '#c9725c',
    500: '#a6331e',
    950: '#000000',
  },
}

SCSS

$custom: #a6331e;
$custom-light: #c9725c;
$custom-dark: #000000;

JSON

{
  "hex": "#a6331e",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 30
  },
  "hsl": {
    "h": 9.265,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49043,
    "c": 0.15453,
    "h": 32.6
  },
  "luminance": 0.10568
}

Semantic roles & 50–950 ramp

primary

#A6331E

secondary

#5AB5C6

accent

#D1EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6331E

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

Preview Lab → · Contrast checker → · Palette generator →