#B03025#B03025

#B03025 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.166 H 29.2°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B03025
RGB	rgb(176, 48, 37)
HSL	hsl(5, 65%, 42%)
HSV	hsv(5, 79%, 69%)
CMYK	cmyk(0%, 72.7%, 79%, 31%)
CIE-LAB	lab(40.38, 50.86, 37.14)
CIE-LCH	lch(40.38, 62.98, 36.13°)
OKLab	oklab(50.56% 0.1453 0.0811)
OKLCH	oklch(50.56% 0.166 29.2)
XYZ	xyz(19.2976, 11.4806, 2.9498)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03025 #25A5B0

analogous

#B02560 #B03025 #B07625

triadic

#B03025 #25B030 #3025B0

tetradic

#B03025 #60B025 #25A5B0 #7625B0

square

#B03025 #60B025 #25A5B0 #7625B0

split-complementary

#B03025 #25B076 #2560B0

monochromatic

#4B1410 #7D221A #B03025 #D6483C #E1786F

Accessibility & contrast

On white

6.37

#B03025 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B03025 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03025

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03025	#FFFFFF	#000000	##FFFFFF
##B03025	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D22

Deuteranopia (green-blind)

#76691F

Tritanopia (blue-blind)

#C2002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b03025;
/* rgb */ color: rgb(176, 48, 37);
/* oklch */ color: oklch(50.6% 0.166 29.2);

Tailwind

colors: {
  custom: {
    50: '#d07161',
    500: '#b03025',
    950: '#000000',
  },
}

SCSS

$custom: #b03025;
$custom-light: #d07161;
$custom-dark: #000000;

JSON

{
  "hex": "#b03025",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 37
  },
  "hsl": {
    "h": 4.748,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50555,
    "c": 0.16643,
    "h": 29.2
  },
  "luminance": 0.11478
}

Semantic roles & 50–950 ramp

primary

#B03025

secondary

#6AC0C7

accent

#DBE840

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160805

muted

#847B79

Preview Lab

Preview with #B03025

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

Preview Lab → · Contrast checker → · Palette generator →