#B03D2F#B03D2F

#B03D2F is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.1% C 0.153 H 30.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B03D2F
RGB	rgb(176, 61, 47)
HSL	hsl(7, 58%, 44%)
HSV	hsv(7, 73%, 69%)
CMYK	cmyk(0%, 65.3%, 73.3%, 31%)
CIE-LAB	lab(42.42, 46.01, 33.71)
CIE-LCH	lch(42.42, 57.04, 36.23°)
OKLab	oklab(52.12% 0.1322 0.0763)
OKLCH	oklch(52.12% 0.153 30)
XYZ	xyz(20.0885, 12.7757, 4.0969)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D2F #2FA2B0

analogous

#B02F61 #B03D2F #B07D2F

triadic

#B03D2F #2FB03D #3D2FB0

tetradic

#B03D2F #61B02F #2FA2B0 #7D2FB0

square

#B03D2F #61B02F #2FA2B0 #7D2FB0

split-complementary

#B03D2F #2FB07D #2F61B0

monochromatic

#4F1C15 #802C22 #B03D2F #CF5B4D #DC877D

Accessibility & contrast

On white

5.91

#B03D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B03D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D2F

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D2F	#FFFFFF	#000000	##FFFFFF
##B03D2F	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542D

Deuteranopia (green-blind)

#7A6D2B

Tritanopia (blue-blind)

#C21F3A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d2f;
/* rgb */ color: rgb(176, 61, 47);
/* oklch */ color: oklch(52.1% 0.153 30.0);

Tailwind

colors: {
  custom: {
    50: '#cf7868',
    500: '#b03d2f',
    950: '#000000',
  },
}

SCSS

$custom: #b03d2f;
$custom-light: #cf7868;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d2f",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 6.512,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52123,
    "c": 0.1526,
    "h": 30
  },
  "luminance": 0.12773
}

Semantic roles & 50–950 ramp

primary

#B03D2F

secondary

#76BCC5

accent

#D0E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03D2F

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

Preview Lab → · Contrast checker → · Palette generator →