#B03D1E#B03D1E

#B03D1E is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.156 H 35.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B03D1E
RGB	rgb(176, 61, 30)
HSL	hsl(13, 71%, 40%)
HSV	hsv(13, 83%, 69%)
CMYK	cmyk(0%, 65.3%, 83%, 31%)
CIE-LAB	lab(42.25, 45.36, 42.63)
CIE-LCH	lch(42.25, 62.25, 43.22°)
OKLab	oklab(51.94% 0.1269 0.0908)
OKLCH	oklch(51.94% 0.156 35.6)
XYZ	xyz(19.8098, 12.6642, 2.6294)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D1E #1E91B0

analogous

#B01E48 #B03D1E #B0861E

triadic

#B03D1E #1EB03D #3D1EB0

tetradic

#B03D1E #48B01E #1E91B0 #861EB0

square

#B03D1E #48B01E #1E91B0 #861EB0

split-complementary

#B03D1E #1EB086 #1E48B0

monochromatic

#47190C #7C2B15 #B03D1E #DC5430 #E57F64

Accessibility & contrast

On white

5.95

#B03D1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B03D1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D1E

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D1E	#FFFFFF	#000000	##FFFFFF
##B03D1E	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5419

Deuteranopia (green-blind)

#7B6D19

Tritanopia (blue-blind)

#C21C37

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d1e;
/* rgb */ color: rgb(176, 61, 30);
/* oklch */ color: oklch(51.9% 0.156 35.6);

Tailwind

colors: {
  custom: {
    50: '#d0785d',
    500: '#b03d1e',
    950: '#000000',
  },
}

SCSS

$custom: #b03d1e;
$custom-light: #d0785d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d1e",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 30
  },
  "hsl": {
    "h": 12.74,
    "s": 70.874,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51941,
    "c": 0.15607,
    "h": 35.6
  },
  "luminance": 0.12661
}

Semantic roles & 50–950 ramp

primary

#B03D1E

secondary

#60B3CA

accent

#C8EE3A

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B03D1E

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

Preview Lab → · Contrast checker → · Palette generator →