#B03430#B03430

#B03430 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.161 H 26.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B03430
RGB	rgb(176, 52, 48)
HSL	hsl(2, 57%, 44%)
HSV	hsv(2, 73%, 69%)
CMYK	cmyk(0%, 70.5%, 72.7%, 31%)
CIE-LAB	lab(41.06, 49.79, 31.58)
CIE-LCH	lch(41.06, 58.96, 32.38°)
OKLab	oklab(51.11% 0.1443 0.0718)
OKLCH	oklch(51.11% 0.161 26.5)
XYZ	xyz(19.6682, 11.9024, 4.0575)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03430 #30ACB0

analogous

#B0306C #B03430 #B07430

triadic

#B03430 #30B034 #3430B0

tetradic

#B03430 #6CB030 #30ACB0 #7430B0

square

#B03430 #6CB030 #30ACB0 #7430B0

split-complementary

#B03430 #30B074 #306CB0

monochromatic

#501816 #802623 #B03430 #CF524E #DC817E

Accessibility & contrast

On white

6.21

#B03430 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B03430 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03430

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03430	#FFFFFF	#000000	##FFFFFF
##B03430	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57502E

Deuteranopia (green-blind)

#766B2C

Tritanopia (blue-blind)

#C20834

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03430;
/* rgb */ color: rgb(176, 52, 48);
/* oklch */ color: oklch(51.1% 0.161 26.5);

Tailwind

colors: {
  custom: {
    50: '#d07468',
    500: '#b03430',
    950: '#000000',
  },
}

SCSS

$custom: #b03430;
$custom-light: #d07468;
$custom-dark: #000000;

JSON

{
  "hex": "#b03430",
  "rgb": {
    "r": 176,
    "g": 52,
    "b": 48
  },
  "hsl": {
    "h": 1.875,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51106,
    "c": 0.16115,
    "h": 26.5
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary

#B03430

secondary

#77C2C5

accent

#DCE047

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03430

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

Preview Lab → · Contrast checker → · Palette generator →