#A03A1D#A03A1D

#A03A1D is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.9% C 0.142 H 36.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A03A1D
RGB	rgb(160, 58, 29)
HSL	hsl(13, 69%, 37%)
HSV	hsv(13, 82%, 63%)
CMYK	cmyk(0%, 63.8%, 81.9%, 37.3%)
CIE-LAB	lab(38.88, 40.85, 38.93)
CIE-LCH	lch(38.88, 56.43, 43.62°)
OKLab	oklab(48.86% 0.1144 0.0838)
OKLCH	oklch(48.86% 0.142 36.2)
XYZ	xyz(16.2338, 10.5907, 2.3516)
Luminance	0.1059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03A1D #1D83A0

analogous

#A01D42 #A03A1D #A07B1D

triadic

#A03A1D #1DA03A #3A1DA0

tetradic

#A03A1D #42A01D #1D83A0 #7B1DA0

square

#A03A1D #42A01D #1D83A0 #7B1DA0

split-complementary

#A03A1D #1DA07B #1D42A0

monochromatic

#38140A #6C2714 #A03A1D #D44D26 #E17557

Accessibility & contrast

On white

6.74

#A03A1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A03A1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A1D

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03A1D	#FFFFFF	#000000	##FFFFFF
##A03A1D	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)

#574D19

Deuteranopia (green-blind)

#706419

Tritanopia (blue-blind)

#B01F34

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03a1d;
/* rgb */ color: rgb(160, 58, 29);
/* oklch */ color: oklch(48.9% 0.142 36.2);

Tailwind

colors: {
  custom: {
    50: '#c4755b',
    500: '#a03a1d',
    950: '#000000',
  },
}

SCSS

$custom: #a03a1d;
$custom-light: #c4755b;
$custom-dark: #000000;

JSON

{
  "hex": "#a03a1d",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 29
  },
  "hsl": {
    "h": 13.282,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.48862,
    "c": 0.14182,
    "h": 36.2
  },
  "luminance": 0.10588
}

Semantic roles & 50–950 ramp

primary

#A03A1D

secondary

#55ABC4

accent

#C5EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03A1D

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

Preview Lab → · Contrast checker → · Palette generator →