#A03021#A03021

#A03021 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.7% C 0.150 H 30.8°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#A03021
RGB	rgb(160, 48, 33)
HSL	hsl(7, 66%, 38%)
HSV	hsv(7, 79%, 63%)
CMYK	cmyk(0%, 70%, 79.4%, 37.3%)
CIE-LAB	lab(37.30, 45.37, 35.22)
CIE-LCH	lch(37.30, 57.43, 37.83°)
OKLab	oklab(47.68% 0.1291 0.077)
OKLCH	oklch(47.68% 0.15 30.8)
XYZ	xyz(15.8305, 9.6997, 2.4772)
Luminance	0.0970 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03021 #2191A0

analogous

#A02151 #A03021 #A07021

triadic

#A03021 #21A030 #3021A0

tetradic

#A03021 #51A021 #2191A0 #7021A0

square

#A03021 #51A021 #2191A0 #7021A0

split-complementary

#A03021 #21A070 #2151A0

monochromatic

#3B120C #6D2117 #A03021 #D33F2B #DE6D5E

Accessibility & contrast

On white

7.14

#A03021 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A03021 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03021

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03021	#FFFFFF	#000000	##FFFFFF
##A03021	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481E

Deuteranopia (green-blind)

#6C611C

Tritanopia (blue-blind)

#B0072D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a03021;
/* rgb */ color: rgb(160, 48, 33);
/* oklch */ color: oklch(47.7% 0.150 30.8);

Tailwind

colors: {
  custom: {
    50: '#c46f5d',
    500: '#a03021',
    950: '#000000',
  },
}

SCSS

$custom: #a03021;
$custom-light: #c46f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a03021",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 33
  },
  "hsl": {
    "h": 7.087,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47682,
    "c": 0.15036,
    "h": 30.8
  },
  "luminance": 0.09697
}

Semantic roles & 50–950 ramp

primary

#A03021

secondary

#5BB6C2

accent

#D5E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A03021

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

Preview Lab → · Contrast checker → · Palette generator →