#A7331A#A7331A

#A7331A is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.156 H 33.7°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#A7331A
RGB	rgb(167, 51, 26)
HSL	hsl(11, 73%, 38%)
HSV	hsv(11, 84%, 65%)
CMYK	cmyk(0%, 69.5%, 84.4%, 34.5%)
CIE-LAB	lab(39.00, 46.33, 41.00)
CIE-LCH	lch(39.00, 61.86, 41.51°)
OKLab	oklab(49.18% 0.1301 0.0866)
OKLCH	oklch(49.18% 0.156 33.7)
XYZ	xyz(17.3087, 10.6604, 2.1233)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7331A #1A8EA7

analogous

#A71A48 #A7331A #A7791A

triadic

#A7331A #1AA733 #331AA7

tetradic

#A7331A #48A71A #1A8EA7 #791AA7

square

#A7331A #48A71A #1A8EA7 #791AA7

split-complementary

#A7331A #1AA779 #1A48A7

monochromatic

#3D130A #722312 #A7331A #DC4322 #E57057

Accessibility & contrast

On white

6.71

#A7331A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A7331A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7331A

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7331A	#FFFFFF	#000000	##FFFFFF
##A7331A	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B16

Deuteranopia (green-blind)

#726514

Tritanopia (blue-blind)

#B8072E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7331a;
/* rgb */ color: rgb(167, 51, 26);
/* oklch */ color: oklch(49.2% 0.156 33.7);

Tailwind

colors: {
  custom: {
    50: '#ca7259',
    500: '#a7331a',
    950: '#000000',
  },
}

SCSS

$custom: #a7331a;
$custom-light: #ca7259;
$custom-dark: #000000;

JSON

{
  "hex": "#a7331a",
  "rgb": {
    "r": 167,
    "g": 51,
    "b": 26
  },
  "hsl": {
    "h": 10.638,
    "s": 73.057,
    "l": 37.843
  },
  "oklch": {
    "l": 0.49183,
    "c": 0.1563,
    "h": 33.7
  },
  "luminance": 0.10658
}

Semantic roles & 50–950 ramp

primary

#A7331A

secondary

#55B4C8

accent

#CFF038

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7331A

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

Preview Lab → · Contrast checker → · Palette generator →