#B0263B#B0263B

#B0263B is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.173 H 18.4°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#B0263B
RGB	rgb(176, 38, 59)
HSL	hsl(351, 64%, 42%)
HSV	hsv(351, 78%, 69%)
CMYK	cmyk(0%, 78.4%, 66.5%, 31%)
CIE-LAB	lab(39.47, 55.24, 22.95)
CIE-LCH	lch(39.47, 59.82, 22.57°)
OKLab	oklab(49.98% 0.164 0.0545)
OKLCH	oklch(49.98% 0.173 18.4)
XYZ	xyz(19.3892, 10.9351, 5.2266)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0263B #26B09B

analogous

#B02680 #B0263B #B05626

triadic

#B0263B #3BB026 #263BB0

tetradic

#B0263B #80B026 #26B09B #5626B0

square

#B0263B #80B026 #26B09B #5626B0

split-complementary

#B0263B #26B056 #2680B0

monochromatic

#4B1019 #7E1B2A #B0263B #D53E55 #E07081

Accessibility & contrast

On white

6.59

#B0263B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B0263B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0263B

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0263B	#FFFFFF	#000000	##FFFFFF
##B0263B	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A3B

Deuteranopia (green-blind)

#716737

Tritanopia (blue-blind)

#C1002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b0263b;
/* rgb */ color: rgb(176, 38, 59);
/* oklch */ color: oklch(50.0% 0.173 18.4);

Tailwind

colors: {
  custom: {
    50: '#cf6e70',
    500: '#b0263b',
    950: '#000000',
  },
}

SCSS

$custom: #b0263b;
$custom-light: #cf6e70;
$custom-dark: #000000;

JSON

{
  "hex": "#b0263b",
  "rgb": {
    "r": 176,
    "g": 38,
    "b": 59
  },
  "hsl": {
    "h": 350.87,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49977,
    "c": 0.17279,
    "h": 18.4
  },
  "luminance": 0.10932
}

Semantic roles & 50–950 ramp

primary

#B0263B

secondary

#6BC7B9

accent

#E7CE40

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B0263B

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

Preview Lab → · Contrast checker → · Palette generator →