#B03A25#B03A25

#B03A25 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.157 H 32.4°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B03A25
RGB	rgb(176, 58, 37)
HSL	hsl(9, 65%, 42%)
HSV	hsv(9, 79%, 69%)
CMYK	cmyk(0%, 67%, 79%, 31%)
CIE-LAB	lab(41.83, 46.89, 38.63)
CIE-LCH	lch(41.83, 60.75, 39.49°)
OKLab	oklab(51.65% 0.1329 0.0844)
OKLCH	oklch(51.65% 0.157 32.4)
XYZ	xyz(19.7537, 12.3927, 3.1018)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A25 #259BB0

analogous

#B02556 #B03A25 #B08025

triadic

#B03A25 #25B03A #3A25B0

tetradic

#B03A25 #56B025 #259BB0 #8025B0

square

#B03A25 #56B025 #259BB0 #8025B0

split-complementary

#B03A25 #25B080 #2556B0

monochromatic

#4B1910 #7D291A #B03A25 #D6533C #E1806F

Accessibility & contrast

On white

6.04

#B03A25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B03A25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A25

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A25	#FFFFFF	#000000	##FFFFFF
##B03A25	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)

#5C5222

Deuteranopia (green-blind)

#796C20

Tritanopia (blue-blind)

#C21636

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a25;
/* rgb */ color: rgb(176, 58, 37);
/* oklch */ color: oklch(51.6% 0.157 32.4);

Tailwind

colors: {
  custom: {
    50: '#d07661',
    500: '#b03a25',
    950: '#000000',
  },
}

SCSS

$custom: #b03a25;
$custom-light: #d07661;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a25",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 37
  },
  "hsl": {
    "h": 9.065,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51645,
    "c": 0.15743,
    "h": 32.4
  },
  "luminance": 0.1239
}

Semantic roles & 50–950 ramp

primary

#B03A25

secondary

#6AB9C7

accent

#CFE840

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03A25

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

Preview Lab → · Contrast checker → · Palette generator →