#B03029#B03029

#B03029 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.166 H 27.8°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B03029
RGB	rgb(176, 48, 41)
HSL	hsl(3, 62%, 43%)
HSV	hsv(3, 77%, 69%)
CMYK	cmyk(0%, 72.7%, 76.7%, 31%)
CIE-LAB	lab(40.42, 51.01, 34.93)
CIE-LCH	lch(40.42, 61.82, 34.40°)
OKLab	oklab(50.6% 0.1466 0.0775)
OKLCH	oklch(50.6% 0.166 27.8)
XYZ	xyz(19.3639, 11.5071, 3.2989)
Luminance	0.1150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03029 #29A9B0

analogous

#B02966 #B03029 #B07329

triadic

#B03029 #29B030 #3029B0

tetradic

#B03029 #66B029 #29A9B0 #7329B0

square

#B03029 #66B029 #29A9B0 #7329B0

split-complementary

#B03029 #29B073 #2966B0

monochromatic

#4D1512 #7E221D #B03029 #D34A43 #DF7A75

Accessibility & contrast

On white

6.36

#B03029 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B03029 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03029

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03029	#FFFFFF	#000000	##FFFFFF
##B03029	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D27

Deuteranopia (green-blind)

#766924

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b03029;
/* rgb */ color: rgb(176, 48, 41);
/* oklch */ color: oklch(50.6% 0.166 27.8);

Tailwind

colors: {
  custom: {
    50: '#d07263',
    500: '#b03029',
    950: '#000000',
  },
}

SCSS

$custom: #b03029;
$custom-light: #d07263;
$custom-dark: #000000;

JSON

{
  "hex": "#b03029",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 41
  },
  "hsl": {
    "h": 3.111,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50601,
    "c": 0.16582,
    "h": 27.8
  },
  "luminance": 0.11504
}

Semantic roles & 50–950 ramp

primary

#B03029

secondary

#6FC2C6

accent

#DDE543

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B03029

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

Preview Lab → · Contrast checker → · Palette generator →