#B03230#B03230

#B03230 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.163 H 25.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#B03230
RGB	rgb(176, 50, 48)
HSL	hsl(1, 57%, 44%)
HSV	hsv(1, 73%, 69%)
CMYK	cmyk(0%, 71.6%, 72.7%, 31%)
CIE-LAB	lab(40.78, 50.56, 31.25)
CIE-LCH	lch(40.78, 59.44, 31.72°)
OKLab	oklab(50.9% 0.1467 0.0711)
OKLCH	oklch(50.9% 0.163 25.9)
XYZ	xyz(19.5808, 11.7276, 4.0284)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03230 #30AEB0

analogous

#B0306E #B03230 #B07230

triadic

#B03230 #30B032 #3230B0

tetradic

#B03230 #6EB030 #30AEB0 #7230B0

square

#B03230 #6EB030 #30AEB0 #7230B0

split-complementary

#B03230 #30B072 #306EB0

monochromatic

#501716 #802423 #B03230 #CF504E #DC807E

Accessibility & contrast

On white

6.28

#B03230 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B03230 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03230

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03230	#FFFFFF	#000000	##FFFFFF
##B03230	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2F

Deuteranopia (green-blind)

#766A2C

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03230;
/* rgb */ color: rgb(176, 50, 48);
/* oklch */ color: oklch(50.9% 0.163 25.9);

Tailwind

colors: {
  custom: {
    50: '#d07368',
    500: '#b03230',
    950: '#000000',
  },
}

SCSS

$custom: #b03230;
$custom-light: #d07368;
$custom-dark: #000000;

JSON

{
  "hex": "#b03230",
  "rgb": {
    "r": 176,
    "g": 50,
    "b": 48
  },
  "hsl": {
    "h": 0.938,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50896,
    "c": 0.16302,
    "h": 25.9
  },
  "luminance": 0.11725
}

Semantic roles & 50–950 ramp

primary

#B03230

secondary

#77C4C5

accent

#DEE047

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03230

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

Preview Lab → · Contrast checker → · Palette generator →