#B02319#B02319

#B02319 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.178 H 29.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#B02319
RGB	rgb(176, 35, 25)
HSL	hsl(4, 75%, 39%)
HSV	hsv(4, 86%, 69%)
CMYK	cmyk(0%, 80.1%, 85.8%, 31%)
CIE-LAB	lab(38.73, 54.80, 41.92)
CIE-LCH	lch(38.73, 68.99, 37.42°)
OKLab	oklab(49.3% 0.1553 0.0872)
OKLCH	oklch(49.3% 0.178 29.3)
XYZ	xyz(18.6833, 10.5054, 1.9635)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02319 #19A6B0

analogous

#B0195A #B02319 #B06F19

triadic

#B02319 #19B023 #2319B0

tetradic

#B02319 #5AB019 #19A6B0 #6F19B0

square

#B02319 #5AB019 #19A6B0 #6F19B0

split-complementary

#B02319 #19B06F #195AB0

monochromatic

#450E0A #7A1811 #B02319 #E03226 #E8655C

Accessibility & contrast

On white

6.77

#B02319 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B02319 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02319

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02319	#FFFFFF	#000000	##FFFFFF
##B02319	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514715

Deuteranopia (green-blind)

#736610

Tritanopia (blue-blind)

#C20023

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b02319;
/* rgb */ color: rgb(176, 35, 25);
/* oklch */ color: oklch(49.3% 0.178 29.3);

Tailwind

colors: {
  custom: {
    50: '#d26c58',
    500: '#b02319',
    950: '#000000',
  },
}

SCSS

$custom: #b02319;
$custom-light: #d26c58;
$custom-dark: #000000;

JSON

{
  "hex": "#b02319",
  "rgb": {
    "r": 176,
    "g": 35,
    "b": 25
  },
  "hsl": {
    "h": 3.974,
    "s": 75.124,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49296,
    "c": 0.17816,
    "h": 29.3
  },
  "luminance": 0.10502
}

Semantic roles & 50–950 ramp

primary

#B02319

secondary

#59C4CC

accent

#E5F236

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B02319

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

Preview Lab → · Contrast checker → · Palette generator →