#B02737#B02737

#B02737 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.172 H 20.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B02737
RGB	rgb(176, 39, 55)
HSL	hsl(353, 64%, 42%)
HSV	hsv(353, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 68.8%, 31%)
CIE-LAB	lab(39.51, 54.71, 25.50)
CIE-LCH	lch(39.51, 60.36, 24.98°)
OKLab	oklab(49.99% 0.1614 0.0596)
OKLCH	oklch(49.99% 0.172 20.3)
XYZ	xyz(19.3218, 10.9600, 4.7118)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02737 #27B0A0

analogous

#B0277B #B02737 #B05C27

triadic

#B02737 #37B027 #2737B0

tetradic

#B02737 #7BB027 #27B0A0 #5C27B0

square

#B02737 #7BB027 #27B0A0 #5C27B0

split-complementary

#B02737 #27B05C #277BB0

monochromatic

#4C1118 #7E1C27 #B02737 #D54051 #E0727F

Accessibility & contrast

On white

6.58

#B02737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B02737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02737

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02737	#FFFFFF	#000000	##FFFFFF
##B02737	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B36

Deuteranopia (green-blind)

#726833

Tritanopia (blue-blind)

#C2002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02737;
/* rgb */ color: rgb(176, 39, 55);
/* oklch */ color: oklch(50.0% 0.172 20.3);

Tailwind

colors: {
  custom: {
    50: '#d06e6d',
    500: '#b02737',
    950: '#000000',
  },
}

SCSS

$custom: #b02737;
$custom-light: #d06e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02737",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 55
  },
  "hsl": {
    "h": 352.993,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49986,
    "c": 0.17209,
    "h": 20.3
  },
  "luminance": 0.10957
}

Semantic roles & 50–950 ramp

primary

#B02737

secondary

#6CC7BC

accent

#E7D341

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B02737

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

Preview Lab → · Contrast checker → · Palette generator →