#B02437#B02437

#B02437 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.7% C 0.175 H 19.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B02437
RGB	rgb(176, 36, 55)
HSL	hsl(352, 66%, 42%)
HSV	hsv(352, 80%, 69%)
CMYK	cmyk(0%, 79.5%, 68.8%, 31%)
CIE-LAB	lab(39.19, 55.62, 25.10)
CIE-LCH	lch(39.19, 61.02, 24.29°)
OKLab	oklab(49.75% 0.1643 0.0587)
OKLCH	oklch(49.75% 0.175 19.7)
XYZ	xyz(19.2271, 10.7707, 4.6802)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02437 #24B09D

analogous

#B0247D #B02437 #B05724

triadic

#B02437 #37B024 #2437B0

tetradic

#B02437 #7DB024 #24B09D #5724B0

square

#B02437 #7DB024 #24B09D #5724B0

split-complementary

#B02437 #24B057 #247DB0

monochromatic

#4A0F17 #7D1A27 #B02437 #D73A50 #E16D7D

Accessibility & contrast

On white

6.66

#B02437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B02437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02437

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02437	#FFFFFF	#000000	##FFFFFF
##B02437	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4937

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#C2002D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b02437;
/* rgb */ color: rgb(176, 36, 55);
/* oklch */ color: oklch(49.7% 0.175 19.7);

Tailwind

colors: {
  custom: {
    50: '#d06d6d',
    500: '#b02437',
    950: '#000000',
  },
}

SCSS

$custom: #b02437;
$custom-light: #d06d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02437",
  "rgb": {
    "r": 176,
    "g": 36,
    "b": 55
  },
  "hsl": {
    "h": 351.857,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49748,
    "c": 0.17451,
    "h": 19.7
  },
  "luminance": 0.10768
}

Semantic roles & 50–950 ramp

primary

#B02437

secondary

#68C8BB

accent

#E9D23F

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B02437

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

Preview Lab → · Contrast checker → · Palette generator →