#A1391B#A1391B

#A1391B is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.9% C 0.144 H 36.3°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A1391B
RGB	rgb(161, 57, 27)
HSL	hsl(13, 71%, 37%)
HSV	hsv(13, 83%, 63%)
CMYK	cmyk(0%, 64.6%, 83.2%, 36.9%)
CIE-LAB	lab(38.87, 41.62, 39.98)
CIE-LCH	lch(38.87, 57.71, 43.85°)
OKLab	oklab(48.88% 0.1163 0.0854)
OKLCH	oklch(48.88% 0.144 36.3)
XYZ	xyz(16.3607, 10.5848, 2.2183)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1391B #1B83A1

analogous

#A11B40 #A1391B #A17C1B

triadic

#A1391B #1BA139 #391BA1

tetradic

#A1391B #40A11B #1B83A1 #7C1BA1

square

#A1391B #40A11B #1B83A1 #7C1BA1

split-complementary

#A1391B #1BA17C #1B40A1

monochromatic

#381409 #6D2612 #A1391B #D54C24 #E27454

Accessibility & contrast

On white

6.74

#A1391B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A1391B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1391B

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1391B	#FFFFFF	#000000	##FFFFFF
##A1391B	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D16

Deuteranopia (green-blind)

#716416

Tritanopia (blue-blind)

#B11C33

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a1391b;
/* rgb */ color: rgb(161, 57, 27);
/* oklch */ color: oklch(48.9% 0.144 36.3);

Tailwind

colors: {
  custom: {
    50: '#c5745a',
    500: '#a1391b',
    950: '#000000',
  },
}

SCSS

$custom: #a1391b;
$custom-light: #c5745a;
$custom-dark: #000000;

JSON

{
  "hex": "#a1391b",
  "rgb": {
    "r": 161,
    "g": 57,
    "b": 27
  },
  "hsl": {
    "h": 13.433,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48882,
    "c": 0.14427,
    "h": 36.3
  },
  "luminance": 0.10582
}

Semantic roles & 50–950 ramp

primary

#A1391B

secondary

#52ACC5

accent

#C6EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A1391B

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

Preview Lab → · Contrast checker → · Palette generator →