#B03A24#B03A24

#B03A24 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.158 H 32.7°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B03A24
RGB	rgb(176, 58, 36)
HSL	hsl(9, 66%, 42%)
HSV	hsv(9, 80%, 69%)
CMYK	cmyk(0%, 67%, 79.5%, 31%)
CIE-LAB	lab(41.82, 46.85, 39.15)
CIE-LCH	lch(41.82, 61.06, 39.89°)
OKLab	oklab(51.64% 0.1326 0.0852)
OKLCH	oklch(51.64% 0.158 32.7)
XYZ	xyz(19.7382, 12.3865, 3.0202)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A24 #249AB0

analogous

#B02454 #B03A24 #B08024

triadic

#B03A24 #24B03A #3A24B0

tetradic

#B03A24 #54B024 #249AB0 #8024B0

square

#B03A24 #54B024 #249AB0 #8024B0

split-complementary

#B03A24 #24B080 #2454B0

monochromatic

#4A190F #7D291A #B03A24 #D7533A #E17F6D

Accessibility & contrast

On white

6.04

#B03A24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B03A24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A24

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A24	#FFFFFF	#000000	##FFFFFF
##B03A24	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5221

Deuteranopia (green-blind)

#796C1F

Tritanopia (blue-blind)

#C21636

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a24;
/* rgb */ color: rgb(176, 58, 36);
/* oklch */ color: oklch(51.6% 0.158 32.7);

Tailwind

colors: {
  custom: {
    50: '#d07660',
    500: '#b03a24',
    950: '#000000',
  },
}

SCSS

$custom: #b03a24;
$custom-light: #d07660;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a24",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 36
  },
  "hsl": {
    "h": 9.429,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51635,
    "c": 0.15763,
    "h": 32.7
  },
  "luminance": 0.12384
}

Semantic roles & 50–950 ramp

primary

#B03A24

secondary

#68B9C8

accent

#CEE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B03A24

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

Preview Lab → · Contrast checker → · Palette generator →