#B63628#B63628

#B63628 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.167 H 29.9°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B63628
RGB	rgb(182, 54, 40)
HSL	hsl(6, 64%, 44%)
HSV	hsv(6, 78%, 71%)
CMYK	cmyk(0%, 70.3%, 78%, 28.6%)
CIE-LAB	lab(42.37, 50.66, 37.90)
CIE-LCH	lch(42.37, 63.27, 36.80°)
OKLab	oklab(52.26% 0.1446 0.0832)
OKLCH	oklch(52.26% 0.167 29.9)
XYZ	xyz(20.9960, 12.7398, 3.3606)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63628 #28A8B6

analogous

#B62861 #B63628 #B67D28

triadic

#B63628 #28B636 #3628B6

tetradic

#B63628 #61B628 #28A8B6 #7D28B6

square

#B63628 #61B628 #28A8B6 #7D28B6

split-complementary

#B63628 #28B67D #2861B6

monochromatic

#521812 #84271D #B63628 #D65345 #E18277

Accessibility & contrast

On white

5.92

#B63628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B63628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63628

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63628	#FFFFFF	#000000	##FFFFFF
##B63628	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#C80334

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63628;
/* rgb */ color: rgb(182, 54, 40);
/* oklch */ color: oklch(52.3% 0.167 29.9);

Tailwind

colors: {
  custom: {
    50: '#d57563',
    500: '#b63628',
    950: '#000000',
  },
}

SCSS

$custom: #b63628;
$custom-light: #d57563;
$custom-dark: #000000;

JSON

{
  "hex": "#b63628",
  "rgb": {
    "r": 182,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 5.915,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52259,
    "c": 0.16686,
    "h": 29.9
  },
  "luminance": 0.12737
}

Semantic roles & 50–950 ramp

primary

#B63628

secondary

#71C0C9

accent

#D7E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63628

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

Preview Lab → · Contrast checker → · Palette generator →