#A0302B#A0302B

#A0302B is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.8% C 0.149 H 26.9°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#A0302B
RGB	rgb(160, 48, 43)
HSL	hsl(3, 58%, 40%)
HSV	hsv(3, 73%, 63%)
CMYK	cmyk(0%, 70%, 73.1%, 37.3%)
CIE-LAB	lab(37.42, 45.79, 29.57)
CIE-LCH	lch(37.42, 54.51, 32.85°)
OKLab	oklab(47.81% 0.1326 0.0673)
OKLCH	oklch(47.81% 0.149 26.9)
XYZ	xyz(15.9920, 9.7643, 3.3277)
Luminance	0.0976 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0302B #2B9BA0

analogous

#A02B61 #A0302B #A06A2B

triadic

#A0302B #2BA030 #302BA0

tetradic

#A0302B #61A02B #2B9BA0 #6A2BA0

square

#A0302B #61A02B #2B9BA0 #6A2BA0

split-complementary

#A0302B #2BA06A #2B61A0

monochromatic

#401311 #70221E #A0302B #CB433D #D8726E

Accessibility & contrast

On white

7.11

#A0302B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A0302B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0302B

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0302B	#FFFFFF	#000000	##FFFFFF
##A0302B	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504929

Deuteranopia (green-blind)

#6C6127

Tritanopia (blue-blind)

#B00C30

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a0302b;
/* rgb */ color: rgb(160, 48, 43);
/* oklch */ color: oklch(47.8% 0.149 26.9);

Tailwind

colors: {
  custom: {
    50: '#c47064',
    500: '#a0302b',
    950: '#000000',
  },
}

SCSS

$custom: #a0302b;
$custom-light: #c47064;
$custom-dark: #000000;

JSON

{
  "hex": "#a0302b",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.564,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47808,
    "c": 0.14866,
    "h": 26.9
  },
  "luminance": 0.09762
}

Semantic roles & 50–950 ramp

primary

#A0302B

secondary

#68BBBF

accent

#DAE147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A0302B

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

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