#A1301B#A1301B

#A1301B is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.8% C 0.152 H 32.7°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#A1301B
RGB	rgb(161, 48, 27)
HSL	hsl(9, 71%, 37%)
HSV	hsv(9, 83%, 63%)
CMYK	cmyk(0%, 70.2%, 83.2%, 36.9%)
CIE-LAB	lab(37.43, 45.51, 38.63)
CIE-LCH	lch(37.43, 59.70, 40.33°)
OKLab	oklab(47.8% 0.1283 0.0824)
OKLCH	oklch(47.8% 0.152 32.7)
XYZ	xyz(15.9546, 9.7725, 2.0829)
Luminance	0.0977 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1301B #1B8CA1

analogous

#A11B49 #A1301B #A1731B

triadic

#A1301B #1BA130 #301BA1

tetradic

#A1301B #49A11B #1B8CA1 #731BA1

square

#A1301B #49A11B #1B8CA1 #731BA1

split-complementary

#A1301B #1BA173 #1B49A1

monochromatic

#381109 #6D2012 #A1301B #D54024 #E26A54

Accessibility & contrast

On white

7.11

#A1301B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A1301B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1301B

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1301B	#FFFFFF	#000000	##FFFFFF
##A1301B	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)

#514817

Deuteranopia (green-blind)

#6D6115

Tritanopia (blue-blind)

#B2042C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a1301b;
/* rgb */ color: rgb(161, 48, 27);
/* oklch */ color: oklch(47.8% 0.152 32.7);

Tailwind

colors: {
  custom: {
    50: '#c56f59',
    500: '#a1301b',
    950: '#000000',
  },
}

SCSS

$custom: #a1301b;
$custom-light: #c56f59;
$custom-dark: #000000;

JSON

{
  "hex": "#a1301b",
  "rgb": {
    "r": 161,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 9.403,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47799,
    "c": 0.15249,
    "h": 32.7
  },
  "luminance": 0.0977
}

Semantic roles & 50–950 ramp

primary

#A1301B

secondary

#52B3C5

accent

#D2EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A1301B

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

Preview Lab → · Contrast checker → · Palette generator →