#B02537#B02537

#B02537 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.174 H 19.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B02537
RGB	rgb(176, 37, 55)
HSL	hsl(352, 65%, 42%)
HSV	hsv(352, 79%, 69%)
CMYK	cmyk(0%, 79%, 68.8%, 31%)
CIE-LAB	lab(39.30, 55.32, 25.23)
CIE-LCH	lch(39.30, 60.80, 24.51°)
OKLab	oklab(49.83% 0.1634 0.059)
OKLCH	oklch(49.83% 0.174 19.9)
XYZ	xyz(19.2578, 10.8321, 4.6905)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02537 #25B09E

analogous

#B0257D #B02537 #B05925

triadic

#B02537 #37B025 #2537B0

tetradic

#B02537 #7DB025 #25B09E #5925B0

square

#B02537 #7DB025 #25B09E #5925B0

split-complementary

#B02537 #25B059 #257DB0

monochromatic

#4B1017 #7D1A27 #B02537 #D63C50 #E16F7D

Accessibility & contrast

On white

6.63

#B02537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B02537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02537

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02537	#FFFFFF	#000000	##FFFFFF
##B02537	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A37

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#C2002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02537;
/* rgb */ color: rgb(176, 37, 55);
/* oklch */ color: oklch(49.8% 0.174 19.9);

Tailwind

colors: {
  custom: {
    50: '#d06d6d',
    500: '#b02537',
    950: '#000000',
  },
}

SCSS

$custom: #b02537;
$custom-light: #d06d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02537",
  "rgb": {
    "r": 176,
    "g": 37,
    "b": 55
  },
  "hsl": {
    "h": 352.23,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49826,
    "c": 0.17373,
    "h": 19.9
  },
  "luminance": 0.10829
}

Semantic roles & 50–950 ramp

primary

#B02537

secondary

#6AC7BB

accent

#E8D240

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B02537

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

Preview Lab → · Contrast checker → · Palette generator →