#B03E36#B03E36

#B03E36 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.150 H 27.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B03E36
RGB	rgb(176, 62, 54)
HSL	hsl(4, 53%, 45%)
HSV	hsv(4, 69%, 69%)
CMYK	cmyk(0%, 64.8%, 69.3%, 31%)
CIE-LAB	lab(42.68, 45.92, 29.94)
CIE-LCH	lch(42.68, 54.82, 33.10°)
OKLab	oklab(52.35% 0.1333 0.0693)
OKLCH	oklch(52.35% 0.15 27.5)
XYZ	xyz(20.2951, 12.9445, 4.9192)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E36 #36A8B0

analogous

#B0366B #B03E36 #B07B36

triadic

#B03E36 #36B03E #3E36B0

tetradic

#B03E36 #6BB036 #36A8B0 #7B36B0

square

#B03E36 #6BB036 #36A8B0 #7B36B0

split-complementary

#B03E36 #36B07B #366BB0

monochromatic

#521D19 #812E28 #B03E36 #CC5F58 #DA8C86

Accessibility & contrast

On white

5.85

#B03E36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B03E36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E36

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E36	#FFFFFF	#000000	##FFFFFF
##B03E36	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5534

Deuteranopia (green-blind)

#796E33

Tritanopia (blue-blind)

#C1223D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e36;
/* rgb */ color: rgb(176, 62, 54);
/* oklch */ color: oklch(52.3% 0.150 27.5);

Tailwind

colors: {
  custom: {
    50: '#cf796d',
    500: '#b03e36',
    950: '#000000',
  },
}

SCSS

$custom: #b03e36;
$custom-light: #cf796d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e36",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 54
  },
  "hsl": {
    "h": 3.934,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52345,
    "c": 0.15028,
    "h": 27.5
  },
  "luminance": 0.12942
}

Semantic roles & 50–950 ramp

primary

#B03E36

secondary

#7EBFC4

accent

#D3DC4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03E36

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

Preview Lab → · Contrast checker → · Palette generator →