#B02A1B#B02A1B

#B02A1B is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.173 H 30.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B02A1B
RGB	rgb(176, 42, 27)
HSL	hsl(6, 73%, 40%)
HSV	hsv(6, 85%, 69%)
CMYK	cmyk(0%, 76.1%, 84.7%, 31%)
CIE-LAB	lab(39.53, 52.67, 41.62)
CIE-LCH	lch(39.53, 67.13, 38.32°)
OKLab	oklab(49.89% 0.1491 0.0874)
OKLCH	oklch(49.89% 0.173 30.4)
XYZ	xyz(18.9326, 10.9682, 2.1569)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02A1B #1BA1B0

analogous

#B01B57 #B02A1B #B0741B

triadic

#B02A1B #1BB02A #2A1BB0

tetradic

#B02A1B #57B01B #1BA1B0 #741BB0

square

#B02A1B #57B01B #1BA1B0 #741BB0

split-complementary

#B02A1B #1BB074 #1B57B0

monochromatic

#46110B #7B1D13 #B02A1B #DE3C2A #E66D5F

Accessibility & contrast

On white

6.58

#B02A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B02A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02A1B

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02A1B	#FFFFFF	#000000	##FFFFFF
##B02A1B	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A17

Deuteranopia (green-blind)

#756813

Tritanopia (blue-blind)

#C20028

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02a1b;
/* rgb */ color: rgb(176, 42, 27);
/* oklch */ color: oklch(49.9% 0.173 30.4);

Tailwind

colors: {
  custom: {
    50: '#d16f5a',
    500: '#b02a1b',
    950: '#000000',
  },
}

SCSS

$custom: #b02a1b;
$custom-light: #d16f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b02a1b",
  "rgb": {
    "r": 176,
    "g": 42,
    "b": 27
  },
  "hsl": {
    "h": 6.04,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49891,
    "c": 0.1728,
    "h": 30.4
  },
  "luminance": 0.10965
}

Semantic roles & 50–950 ramp

primary

#B02A1B

secondary

#5CC0CB

accent

#DEF038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B02A1B

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

Preview Lab → · Contrast checker → · Palette generator →