#B03330#B03330

#B03330 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.162 H 26.2°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B03330
RGB	rgb(176, 51, 48)
HSL	hsl(1, 57%, 44%)
HSV	hsv(1, 73%, 69%)
CMYK	cmyk(0%, 71%, 72.7%, 31%)
CIE-LAB	lab(40.92, 50.18, 31.41)
CIE-LCH	lch(40.92, 59.20, 32.05°)
OKLab	oklab(51% 0.1455 0.0715)
OKLCH	oklch(51% 0.162 26.2)
XYZ	xyz(19.6240, 11.8141, 4.0428)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03330 #30ADB0

analogous

#B0306D #B03330 #B07330

triadic

#B03330 #30B033 #3330B0

tetradic

#B03330 #6DB030 #30ADB0 #7330B0

square

#B03330 #6DB030 #30ADB0 #7330B0

split-complementary

#B03330 #30B073 #306DB0

monochromatic

#501716 #802523 #B03330 #CF514E #DC817E

Accessibility & contrast

On white

6.25

#B03330 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B03330 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03330

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03330	#FFFFFF	#000000	##FFFFFF
##B03330	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2E

Deuteranopia (green-blind)

#766A2C

Tritanopia (blue-blind)

#C20434

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03330;
/* rgb */ color: rgb(176, 51, 48);
/* oklch */ color: oklch(51.0% 0.162 26.2);

Tailwind

colors: {
  custom: {
    50: '#d07368',
    500: '#b03330',
    950: '#000000',
  },
}

SCSS

$custom: #b03330;
$custom-light: #d07368;
$custom-dark: #000000;

JSON

{
  "hex": "#b03330",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 48
  },
  "hsl": {
    "h": 1.406,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51,
    "c": 0.16209,
    "h": 26.2
  },
  "luminance": 0.11811
}

Semantic roles & 50–950 ramp

primary

#B03330

secondary

#77C3C5

accent

#DDE047

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03330

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

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