#B03629#B03629

#B03629 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.160 H 29.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B03629
RGB	rgb(176, 54, 41)
HSL	hsl(6, 62%, 43%)
HSV	hsv(6, 77%, 69%)
CMYK	cmyk(0%, 69.3%, 76.7%, 31%)
CIE-LAB	lab(41.27, 48.69, 35.84)
CIE-LCH	lch(41.27, 60.46, 36.35°)
OKLab	oklab(51.23% 0.1394 0.0794)
OKLCH	oklch(51.23% 0.16 29.7)
XYZ	xyz(19.6261, 12.0315, 3.3863)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03629 #29A3B0

analogous

#B0295F #B03629 #B07A29

triadic

#B03629 #29B036 #3629B0

tetradic

#B03629 #5FB029 #29A3B0 #7A29B0

square

#B03629 #5FB029 #29A3B0 #7A29B0

split-complementary

#B03629 #29B07A #295FB0

monochromatic

#4D1812 #7E271D #B03629 #D35143 #DF7F75

Accessibility & contrast

On white

6.17

#B03629 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B03629 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03629

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03629	#FFFFFF	#000000	##FFFFFF
##B03629	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595027

Deuteranopia (green-blind)

#786B24

Tritanopia (blue-blind)

#C20C34

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03629;
/* rgb */ color: rgb(176, 54, 41);
/* oklch */ color: oklch(51.2% 0.160 29.7);

Tailwind

colors: {
  custom: {
    50: '#d07464',
    500: '#b03629',
    950: '#000000',
  },
}

SCSS

$custom: #b03629;
$custom-light: #d07464;
$custom-dark: #000000;

JSON

{
  "hex": "#b03629",
  "rgb": {
    "r": 176,
    "g": 54,
    "b": 41
  },
  "hsl": {
    "h": 5.778,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51233,
    "c": 0.1604,
    "h": 29.7
  },
  "luminance": 0.12029
}

Semantic roles & 50–950 ramp

primary

#B03629

secondary

#6FBEC6

accent

#D6E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03629

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

Preview Lab → · Contrast checker → · Palette generator →