#A7301E#A7301E

#A7301E is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.158 H 31.5°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#A7301E
RGB	rgb(167, 48, 30)
HSL	hsl(8, 70%, 39%)
HSV	hsv(8, 82%, 65%)
CMYK	cmyk(0%, 71.3%, 82%, 34.5%)
CIE-LAB	lab(38.60, 47.65, 38.58)
CIE-LCH	lch(38.60, 61.31, 39.00°)
OKLab	oklab(48.89% 0.1349 0.0828)
OKLCH	oklch(48.89% 0.158 31.5)
XYZ	xyz(17.2297, 10.4258, 2.3332)
Luminance	0.1042 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7301E #1E95A7

analogous

#A71E50 #A7301E #A7741E

triadic

#A7301E #1EA730 #301EA7

tetradic

#A7301E #50A71E #1E95A7 #741EA7

square

#A7301E #50A71E #1E95A7 #741EA7

split-complementary

#A7301E #1EA774 #1E50A7

monochromatic

#3F120B #732115 #A7301E #D9412A #E26F5D

Accessibility & contrast

On white

6.81

#A7301E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A7301E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7301E

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7301E	#FFFFFF	#000000	##FFFFFF
##A7301E	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1B

Deuteranopia (green-blind)

#716418

Tritanopia (blue-blind)

#B8002D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a7301e;
/* rgb */ color: rgb(167, 48, 30);
/* oklch */ color: oklch(48.9% 0.158 31.5);

Tailwind

colors: {
  custom: {
    50: '#ca705c',
    500: '#a7301e',
    950: '#000000',
  },
}

SCSS

$custom: #a7301e;
$custom-light: #ca705c;
$custom-dark: #000000;

JSON

{
  "hex": "#a7301e",
  "rgb": {
    "r": 167,
    "g": 48,
    "b": 30
  },
  "hsl": {
    "h": 7.883,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48888,
    "c": 0.15827,
    "h": 31.5
  },
  "luminance": 0.10423
}

Semantic roles & 50–950 ramp

primary

#A7301E

secondary

#5BB8C6

accent

#D5EC3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7301E

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

Preview Lab → · Contrast checker → · Palette generator →