#A03A1B#A03A1B

#A03A1B is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.8% C 0.142 H 36.8°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A03A1B
RGB	rgb(160, 58, 27)
HSL	hsl(14, 71%, 37%)
HSV	hsv(14, 83%, 63%)
CMYK	cmyk(0%, 63.8%, 83.1%, 37.3%)
CIE-LAB	lab(38.87, 40.79, 39.91)
CIE-LCH	lch(38.87, 57.07, 44.38°)
OKLab	oklab(48.84% 0.1138 0.0853)
OKLCH	oklch(48.84% 0.142 36.8)
XYZ	xyz(16.2099, 10.5812, 2.2255)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03A1B #1B81A0

analogous

#A01B3F #A03A1B #A07D1B

triadic

#A03A1B #1BA03A #3A1BA0

tetradic

#A03A1B #3FA01B #1B81A0 #7D1BA0

square

#A03A1B #3FA01B #1B81A0 #7D1BA0

split-complementary

#A03A1B #1BA07D #1B3FA0

monochromatic

#371409 #6C2712 #A03A1B #D44D24 #E27553

Accessibility & contrast

On white

6.74

#A03A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A03A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A1B

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03A1B	#FFFFFF	#000000	##FFFFFF
##A03A1B	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)

#706416

Tritanopia (blue-blind)

#B01F34

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a03a1b;
/* rgb */ color: rgb(160, 58, 27);
/* oklch */ color: oklch(48.8% 0.142 36.8);

Tailwind

colors: {
  custom: {
    50: '#c4755a',
    500: '#a03a1b',
    950: '#000000',
  },
}

SCSS

$custom: #a03a1b;
$custom-light: #c4755a;
$custom-dark: #000000;

JSON

{
  "hex": "#a03a1b",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 27
  },
  "hsl": {
    "h": 13.985,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.48844,
    "c": 0.14226,
    "h": 36.8
  },
  "luminance": 0.10579
}

Semantic roles & 50–950 ramp

primary

#A03A1B

secondary

#52AAC5

accent

#C4EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A03A1B

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

Preview Lab → · Contrast checker → · Palette generator →