#A7331D#A7331D

#A7331D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.156 H 32.8°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A7331D
RGB	rgb(167, 51, 29)
HSL	hsl(10, 70%, 38%)
HSV	hsv(10, 83%, 65%)
CMYK	cmyk(0%, 69.5%, 82.6%, 34.5%)
CIE-LAB	lab(39.03, 46.42, 39.51)
CIE-LCH	lch(39.03, 60.96, 40.41°)
OKLab	oklab(49.21% 0.1309 0.0845)
OKLCH	oklch(49.21% 0.156 32.8)
XYZ	xyz(17.3440, 10.6745, 2.3093)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7331D #1D91A7

analogous

#A71D4C #A7331D #A7781D

triadic

#A7331D #1DA733 #331DA7

tetradic

#A7331D #4CA71D #1D91A7 #781DA7

square

#A7331D #4CA71D #1D91A7 #781DA7

split-complementary

#A7331D #1DA778 #1D4CA7

monochromatic

#3F130B #732314 #A7331D #DA4428 #E3715C

Accessibility & contrast

On white

6.70

#A7331D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A7331D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7331D

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7331D	#FFFFFF	#000000	##FFFFFF
##A7331D	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C19

Deuteranopia (green-blind)

#726517

Tritanopia (blue-blind)

#B8082F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7331d;
/* rgb */ color: rgb(167, 51, 29);
/* oklch */ color: oklch(49.2% 0.156 32.8);

Tailwind

colors: {
  custom: {
    50: '#ca725b',
    500: '#a7331d',
    950: '#000000',
  },
}

SCSS

$custom: #a7331d;
$custom-light: #ca725b;
$custom-dark: #000000;

JSON

{
  "hex": "#a7331d",
  "rgb": {
    "r": 167,
    "g": 51,
    "b": 29
  },
  "hsl": {
    "h": 9.565,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49208,
    "c": 0.15577,
    "h": 32.8
  },
  "luminance": 0.10672
}

Semantic roles & 50–950 ramp

primary

#A7331D

secondary

#59B5C7

accent

#D1ED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7331D

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

Preview Lab → · Contrast checker → · Palette generator →