#B0373F#B0373F

#B0373F is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.156 H 20.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B0373F
RGB	rgb(176, 55, 63)
HSL	hsl(356, 52%, 45%)
HSV	hsv(356, 69%, 69%)
CMYK	cmyk(0%, 68.8%, 64.2%, 31%)
CIE-LAB	lab(41.73, 49.41, 23.34)
CIE-LCH	lch(41.73, 54.65, 25.29°)
OKLab	oklab(51.68% 0.1462 0.0558)
OKLCH	oklch(51.68% 0.156 20.9)
XYZ	xyz(20.1699, 12.3242, 6.0184)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0373F #37B0A8

analogous

#B0377B #B0373F #B06B37

triadic

#B0373F #3FB037 #373FB0

tetradic

#B0373F #7BB037 #37B0A8 #6B37B0

square

#B0373F #7BB037 #37B0A8 #6B37B0

split-complementary

#B0373F #37B06B #377BB0

monochromatic

#531A1E #81282E #B0373F #CB5961 #DA888D

Accessibility & contrast

On white

6.06

#B0373F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B0373F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0373F

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0373F	#FFFFFF	#000000	##FFFFFF
##B0373F	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523E

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C1183B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b0373f;
/* rgb */ color: rgb(176, 55, 63);
/* oklch */ color: oklch(51.7% 0.156 20.9);

Tailwind

colors: {
  custom: {
    50: '#ce7574',
    500: '#b0373f',
    950: '#000000',
  },
}

SCSS

$custom: #b0373f;
$custom-light: #ce7574;
$custom-dark: #000000;

JSON

{
  "hex": "#b0373f",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 356.033,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51678,
    "c": 0.15649,
    "h": 20.9
  },
  "luminance": 0.12321
}

Semantic roles & 50–950 ramp

primary

#B0373F

secondary

#7FC4BF

accent

#DCD24C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B0373F

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

Preview Lab → · Contrast checker → · Palette generator →