#A0301B#A0301B

#A0301B is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.6% C 0.151 H 32.8°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A0301B
RGB	rgb(160, 48, 27)
HSL	hsl(9, 71%, 37%)
HSV	hsv(9, 83%, 63%)
CMYK	cmyk(0%, 70%, 83.1%, 37.3%)
CIE-LAB	lab(37.24, 45.16, 38.39)
CIE-LCH	lch(37.24, 59.27, 40.36°)
OKLab	oklab(47.62% 0.1274 0.0819)
OKLCH	oklch(47.62% 0.151 32.8)
XYZ	xyz(15.7538, 9.6690, 2.0735)
Luminance	0.0967 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0301B #1B8BA0

analogous

#A01B48 #A0301B #A0731B

triadic

#A0301B #1BA030 #301BA0

tetradic

#A0301B #48A01B #1B8BA0 #731BA0

square

#A0301B #48A01B #1B8BA0 #731BA0

split-complementary

#A0301B #1BA073 #1B48A0

monochromatic

#371109 #6C2012 #A0301B #D44024 #E26A53

Accessibility & contrast

On white

7.16

#A0301B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A0301B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0301B

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0301B	#FFFFFF	#000000	##FFFFFF
##A0301B	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514817

Deuteranopia (green-blind)

#6D6115

Tritanopia (blue-blind)

#B1052C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a0301b;
/* rgb */ color: rgb(160, 48, 27);
/* oklch */ color: oklch(47.6% 0.151 32.8);

Tailwind

colors: {
  custom: {
    50: '#c56f59',
    500: '#a0301b',
    950: '#000000',
  },
}

SCSS

$custom: #a0301b;
$custom-light: #c56f59;
$custom-dark: #000000;

JSON

{
  "hex": "#a0301b",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 9.474,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.47622,
    "c": 0.15143,
    "h": 32.8
  },
  "luminance": 0.09667
}

Semantic roles & 50–950 ramp

primary

#A0301B

secondary

#52B3C5

accent

#D1EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A0301B

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

Preview Lab → · Contrast checker → · Palette generator →