#B03C36#B03C36

#B03C36 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.152 H 26.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B03C36
RGB	rgb(176, 60, 54)
HSL	hsl(3, 53%, 45%)
HSV	hsv(3, 69%, 69%)
CMYK	cmyk(0%, 65.9%, 69.3%, 31%)
CIE-LAB	lab(42.36, 46.79, 29.55)
CIE-LCH	lch(42.36, 55.35, 32.27°)
OKLab	oklab(52.1% 0.1361 0.0685)
OKLCH	oklch(52.1% 0.152 26.7)
XYZ	xyz(20.1883, 12.7310, 4.8836)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03C36 #36AAB0

analogous

#B0366D #B03C36 #B07936

triadic

#B03C36 #36B03C #3C36B0

tetradic

#B03C36 #6DB036 #36AAB0 #7936B0

square

#B03C36 #6DB036 #36AAB0 #7936B0

split-complementary

#B03C36 #36B079 #366DB0

monochromatic

#521C19 #812C28 #B03C36 #CC5D58 #DA8B86

Accessibility & contrast

On white

5.92

#B03C36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B03C36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03C36

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03C36	#FFFFFF	#000000	##FFFFFF
##B03C36	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5434

Deuteranopia (green-blind)

#796D33

Tritanopia (blue-blind)

#C11F3C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03c36;
/* rgb */ color: rgb(176, 60, 54);
/* oklch */ color: oklch(52.1% 0.152 26.7);

Tailwind

colors: {
  custom: {
    50: '#cf786d',
    500: '#b03c36',
    950: '#000000',
  },
}

SCSS

$custom: #b03c36;
$custom-light: #cf786d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03c36",
  "rgb": {
    "r": 176,
    "g": 60,
    "b": 54
  },
  "hsl": {
    "h": 2.951,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52102,
    "c": 0.15234,
    "h": 26.7
  },
  "luminance": 0.12728
}

Semantic roles & 50–950 ramp

primary

#B03C36

secondary

#7EC0C4

accent

#D5DC4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03C36

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

Preview Lab → · Contrast checker → · Palette generator →