#A7301A#A7301A

#A7301A is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.159 H 32.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A7301A
RGB	rgb(167, 48, 26)
HSL	hsl(9, 73%, 38%)
HSV	hsv(9, 84%, 65%)
CMYK	cmyk(0%, 71.3%, 84.4%, 34.5%)
CIE-LAB	lab(38.56, 47.53, 40.60)
CIE-LCH	lch(38.56, 62.51, 40.50°)
OKLab	oklab(48.85% 0.1338 0.0857)
OKLCH	oklch(48.85% 0.159 32.7)
XYZ	xyz(17.1818, 10.4066, 2.0811)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7301A #1A91A7

analogous

#A71A4A #A7301A #A7771A

triadic

#A7301A #1AA730 #301AA7

tetradic

#A7301A #4AA71A #1A91A7 #771AA7

square

#A7301A #4AA71A #1A91A7 #771AA7

split-complementary

#A7301A #1AA777 #1A4AA7

monochromatic

#3D120A #722112 #A7301A #DC3F22 #E56D57

Accessibility & contrast

On white

6.82

#A7301A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A7301A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7301A

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7301A	#FFFFFF	#000000	##FFFFFF
##A7301A	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A16

Deuteranopia (green-blind)

#716413

Tritanopia (blue-blind)

#B8002C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a7301a;
/* rgb */ color: rgb(167, 48, 26);
/* oklch */ color: oklch(48.9% 0.159 32.7);

Tailwind

colors: {
  custom: {
    50: '#ca7059',
    500: '#a7301a',
    950: '#000000',
  },
}

SCSS

$custom: #a7301a;
$custom-light: #ca7059;
$custom-dark: #000000;

JSON

{
  "hex": "#a7301a",
  "rgb": {
    "r": 167,
    "g": 48,
    "b": 26
  },
  "hsl": {
    "h": 9.362,
    "s": 73.057,
    "l": 37.843
  },
  "oklch": {
    "l": 0.48853,
    "c": 0.15892,
    "h": 32.7
  },
  "luminance": 0.10404
}

Semantic roles & 50–950 ramp

primary

#A7301A

secondary

#55B6C8

accent

#D3F038

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7301A

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

Preview Lab → · Contrast checker → · Palette generator →