#B0373E#B0373E

#B0373E is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.157 H 21.4°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B0373E
RGB	rgb(176, 55, 62)
HSL	hsl(357, 52%, 45%)
HSV	hsv(357, 69%, 69%)
CMYK	cmyk(0%, 68.8%, 64.8%, 31%)
CIE-LAB	lab(41.71, 49.35, 23.93)
CIE-LCH	lch(41.71, 54.85, 25.87°)
OKLab	oklab(51.66% 0.1458 0.057)
OKLCH	oklch(51.66% 0.157 21.4)
XYZ	xyz(20.1422, 12.3131, 5.8725)
Luminance	0.1231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0373E #37B0A9

analogous

#B0377A #B0373E #B06C37

triadic

#B0373E #3EB037 #373EB0

tetradic

#B0373E #7AB037 #37B0A9 #6C37B0

square

#B0373E #7AB037 #37B0A9 #6C37B0

split-complementary

#B0373E #37B06C #377AB0

monochromatic

#531A1D #81282E #B0373E #CB5960 #DA888C

Accessibility & contrast

On white

6.07

#B0373E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B0373E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0373E

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0373E	#FFFFFF	#000000	##FFFFFF
##B0373E	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523D

Deuteranopia (green-blind)

#766C3B

Tritanopia (blue-blind)

#C1173B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b0373e;
/* rgb */ color: rgb(176, 55, 62);
/* oklch */ color: oklch(51.7% 0.157 21.4);

Tailwind

colors: {
  custom: {
    50: '#ce7573',
    500: '#b0373e',
    950: '#000000',
  },
}

SCSS

$custom: #b0373e;
$custom-light: #ce7573;
$custom-dark: #000000;

JSON

{
  "hex": "#b0373e",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 356.529,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51659,
    "c": 0.15656,
    "h": 21.4
  },
  "luminance": 0.1231
}

Semantic roles & 50–950 ramp

primary

#B0373E

secondary

#7FC4C0

accent

#DCD34C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B0373E

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

Preview Lab → · Contrast checker → · Palette generator →