#B03D3E#B03D3E

#B03D3E is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.150 H 23.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B03D3E
RGB	rgb(176, 61, 62)
HSL	hsl(359, 49%, 46%)
HSV	hsv(359, 65%, 69%)
CMYK	cmyk(0%, 65.3%, 64.8%, 31%)
CIE-LAB	lab(42.64, 46.83, 25.11)
CIE-LCH	lch(42.64, 53.13, 28.20°)
OKLab	oklab(52.36% 0.1378 0.0597)
OKLCH	oklch(52.36% 0.15 23.4)
XYZ	xyz(20.4448, 12.9182, 5.9734)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D3E #3DB0AF

analogous

#B03D78 #B03D3E #B0763D

triadic

#B03D3E #3EB03D #3D3EB0

tetradic

#B03D3E #78B03D #3DB0AF #763DB0

square

#B03D3E #78B03D #3DB0AF #763DB0

split-complementary

#B03D3E #3DB076 #3D78B0

monochromatic

#551D1E #832D2E #B03D3E #C86263 #D88F90

Accessibility & contrast

On white

5.86

#B03D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B03D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D3E

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D3E	#FFFFFF	#000000	##FFFFFF
##B03D3E	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553D

Deuteranopia (green-blind)

#786E3B

Tritanopia (blue-blind)

#C1233F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03d3e;
/* rgb */ color: rgb(176, 61, 62);
/* oklch */ color: oklch(52.4% 0.150 23.4);

Tailwind

colors: {
  custom: {
    50: '#ce7973',
    500: '#b03d3e',
    950: '#000000',
  },
}

SCSS

$custom: #b03d3e;
$custom-light: #ce7973;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d3e",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 359.478,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52355,
    "c": 0.15017,
    "h": 23.4
  },
  "luminance": 0.12915
}

Semantic roles & 50–950 ramp

primary

#B03D3E

secondary

#86C3C3

accent

#D8D750

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03D3E

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

Preview Lab → · Contrast checker → · Palette generator →