#A03A21#A03A21

#A03A21 is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.9% C 0.141 H 34.9°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#A03A21
RGB	rgb(160, 58, 33)
HSL	hsl(12, 66%, 38%)
HSV	hsv(12, 79%, 63%)
CMYK	cmyk(0%, 63.8%, 79.4%, 37.3%)
CIE-LAB	lab(38.92, 41.00, 36.88)
CIE-LCH	lch(38.92, 55.14, 41.97°)
OKLab	oklab(48.9% 0.1156 0.0806)
OKLCH	oklch(48.9% 0.141 34.9)
XYZ	xyz(16.2866, 10.6118, 2.6292)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03A21 #2187A0

analogous

#A02147 #A03A21 #A07921

triadic

#A03A21 #21A03A #3A21A0

tetradic

#A03A21 #47A021 #2187A0 #7921A0

square

#A03A21 #47A021 #2187A0 #7921A0

split-complementary

#A03A21 #21A079 #2147A0

monochromatic

#3B150C #6D2817 #A03A21 #D34C2B #DE775E

Accessibility & contrast

On white

6.73

#A03A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A03A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A21

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03A21	#FFFFFF	#000000	##FFFFFF
##A03A21	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1D

Deuteranopia (green-blind)

#70641D

Tritanopia (blue-blind)

#B01F35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03a21;
/* rgb */ color: rgb(160, 58, 33);
/* oklch */ color: oklch(48.9% 0.141 34.9);

Tailwind

colors: {
  custom: {
    50: '#c4755e',
    500: '#a03a21',
    950: '#000000',
  },
}

SCSS

$custom: #a03a21;
$custom-light: #c4755e;
$custom-dark: #000000;

JSON

{
  "hex": "#a03a21",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 33
  },
  "hsl": {
    "h": 11.811,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.48901,
    "c": 0.1409,
    "h": 34.9
  },
  "luminance": 0.1061
}

Semantic roles & 50–950 ramp

primary

#A03A21

secondary

#5BAEC2

accent

#C7E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03A21

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

Preview Lab → · Contrast checker → · Palette generator →