#A03A28#A03A28

#A03A28 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.139 H 32.2°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#A03A28
RGB	rgb(160, 58, 40)
HSL	hsl(9, 60%, 39%)
HSV	hsv(9, 75%, 63%)
CMYK	cmyk(0%, 63.8%, 75%, 37.3%)
CIE-LAB	lab(38.99, 41.29, 33.09)
CIE-LCH	lch(38.99, 52.92, 38.71°)
OKLab	oklab(48.98% 0.1179 0.0743)
OKLCH	oklch(48.98% 0.139 32.2)
XYZ	xyz(16.3950, 10.6552, 3.2004)
Luminance	0.1065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03A28 #288EA0

analogous

#A02852 #A03A28 #A07628

triadic

#A03A28 #28A03A #3A28A0

tetradic

#A03A28 #52A028 #288EA0 #7628A0

square

#A03A28 #52A028 #288EA0 #7628A0

split-complementary

#A03A28 #28A076 #2852A0

monochromatic

#3E1710 #6F281C #A03A28 #CD4E38 #D97A69

Accessibility & contrast

On white

6.71

#A03A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A03A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A28

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03A28	#FFFFFF	#000000	##FFFFFF
##A03A28	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E25

Deuteranopia (green-blind)

#706425

Tritanopia (blue-blind)

#B02136

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03a28;
/* rgb */ color: rgb(160, 58, 40);
/* oklch */ color: oklch(49.0% 0.139 32.2);

Tailwind

colors: {
  custom: {
    50: '#c37563',
    500: '#a03a28',
    950: '#000000',
  },
}

SCSS

$custom: #a03a28;
$custom-light: #c37563;
$custom-dark: #000000;

JSON

{
  "hex": "#a03a28",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 9,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48981,
    "c": 0.13931,
    "h": 32.2
  },
  "luminance": 0.10653
}

Semantic roles & 50–950 ramp

primary

#A03A28

secondary

#64B2C0

accent

#CBE345

background

#FCF7F5

surface

#F9EDEA

border

#D2C8C6

text

#140905

muted

#827B79

Preview Lab

Preview with #A03A28

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

Preview Lab → · Contrast checker → · Palette generator →