#B03D24#B03D24

#B03D24 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.155 H 33.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B03D24
RGB	rgb(176, 61, 36)
HSL	hsl(11, 66%, 42%)
HSV	hsv(11, 80%, 69%)
CMYK	cmyk(0%, 65.3%, 79.5%, 31%)
CIE-LAB	lab(42.30, 45.56, 39.64)
CIE-LCH	lch(42.30, 60.39, 41.03°)
OKLab	oklab(52% 0.1286 0.0862)
OKLCH	oklch(52% 0.155 33.8)
XYZ	xyz(19.8939, 12.6979, 3.0721)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D24 #2497B0

analogous

#B02451 #B03D24 #B08324

triadic

#B03D24 #24B03D #3D24B0

tetradic

#B03D24 #51B024 #2497B0 #8324B0

square

#B03D24 #51B024 #2497B0 #8324B0

split-complementary

#B03D24 #24B083 #2451B0

monochromatic

#4A1A0F #7D2B1A #B03D24 #D7563A #E1826D

Accessibility & contrast

On white

5.93

#B03D24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B03D24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D24

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D24	#FFFFFF	#000000	##FFFFFF
##B03D24	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5420

Deuteranopia (green-blind)

#7A6D1F

Tritanopia (blue-blind)

#C21D38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d24;
/* rgb */ color: rgb(176, 61, 36);
/* oklch */ color: oklch(52.0% 0.155 33.8);

Tailwind

colors: {
  custom: {
    50: '#d07861',
    500: '#b03d24',
    950: '#000000',
  },
}

SCSS

$custom: #b03d24;
$custom-light: #d07861;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d24",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 36
  },
  "hsl": {
    "h": 10.714,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51996,
    "c": 0.15485,
    "h": 33.8
  },
  "luminance": 0.12695
}

Semantic roles & 50–950 ramp

primary

#B03D24

secondary

#68B7C8

accent

#CBE93F

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03D24

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

Preview Lab → · Contrast checker → · Palette generator →