#B0253B#B0253B

#B0253B is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.174 H 18.2°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#B0253B
RGB	rgb(176, 37, 59)
HSL	hsl(351, 65%, 42%)
HSV	hsv(351, 79%, 69%)
CMYK	cmyk(0%, 79%, 66.5%, 31%)
CIE-LAB	lab(39.36, 55.54, 22.82)
CIE-LCH	lch(39.36, 60.04, 22.34°)
OKLab	oklab(49.9% 0.1649 0.0542)
OKLCH	oklch(49.9% 0.174 18.2)
XYZ	xyz(19.3576, 10.8720, 5.2161)
Luminance	0.1087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0253B #25B09A

analogous

#B02580 #B0253B #B05525

triadic

#B0253B #3BB025 #253BB0

tetradic

#B0253B #80B025 #25B09A #5525B0

square

#B0253B #80B025 #25B09A #5525B0

split-complementary

#B0253B #25B055 #2580B0

monochromatic

#4B1019 #7D1A2A #B0253B #D63C55 #E16F81

Accessibility & contrast

On white

6.62

#B0253B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B0253B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0253B

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0253B	#FFFFFF	#000000	##FFFFFF
##B0253B	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3B

Deuteranopia (green-blind)

#716737

Tritanopia (blue-blind)

#C1002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0253b;
/* rgb */ color: rgb(176, 37, 59);
/* oklch */ color: oklch(49.9% 0.174 18.2);

Tailwind

colors: {
  custom: {
    50: '#cf6d70',
    500: '#b0253b',
    950: '#000000',
  },
}

SCSS

$custom: #b0253b;
$custom-light: #cf6d70;
$custom-dark: #000000;

JSON

{
  "hex": "#b0253b",
  "rgb": {
    "r": 176,
    "g": 37,
    "b": 59
  },
  "hsl": {
    "h": 350.504,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49898,
    "c": 0.1736,
    "h": 18.2
  },
  "luminance": 0.10869
}

Semantic roles & 50–950 ramp

primary

#B0253B

secondary

#6AC7B8

accent

#E8CE40

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0253B

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

Preview Lab → · Contrast checker → · Palette generator →