#A7331F#A7331F

#A7331F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.155 H 32.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A7331F
RGB	rgb(167, 51, 31)
HSL	hsl(9, 69%, 39%)
HSV	hsv(9, 81%, 65%)
CMYK	cmyk(0%, 69.5%, 81.4%, 34.5%)
CIE-LAB	lab(39.04, 46.48, 38.49)
CIE-LCH	lch(39.04, 60.35, 39.63°)
OKLab	oklab(49.23% 0.1315 0.0829)
OKLCH	oklch(49.23% 0.155 32.2)
XYZ	xyz(17.3695, 10.6847, 2.4438)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7331F #1F93A7

analogous

#A71F4F #A7331F #A7771F

triadic

#A7331F #1FA733 #331FA7

tetradic

#A7331F #4FA71F #1F93A7 #771FA7

square

#A7331F #4FA71F #1F93A7 #771FA7

split-complementary

#A7331F #1FA777 #1F4FA7

monochromatic

#40130C #732315 #A7331F #D8452B #E1725F

Accessibility & contrast

On white

6.70

#A7331F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A7331F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7331F

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7331F	#FFFFFF	#000000	##FFFFFF
##A7331F	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C1C

Deuteranopia (green-blind)

#72651A

Tritanopia (blue-blind)

#B8082F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7331f;
/* rgb */ color: rgb(167, 51, 31);
/* oklch */ color: oklch(49.2% 0.155 32.2);

Tailwind

colors: {
  custom: {
    50: '#ca725c',
    500: '#a7331f',
    950: '#000000',
  },
}

SCSS

$custom: #a7331f;
$custom-light: #ca725c;
$custom-dark: #000000;

JSON

{
  "hex": "#a7331f",
  "rgb": {
    "r": 167,
    "g": 51,
    "b": 31
  },
  "hsl": {
    "h": 8.824,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49227,
    "c": 0.15542,
    "h": 32.2
  },
  "luminance": 0.10682
}

Semantic roles & 50–950 ramp

primary

#A7331F

secondary

#5CB6C6

accent

#D2EC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7331F

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

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