#B63D27#B63D27

#B63D27 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.161 H 32.5°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B63D27
RGB	rgb(182, 61, 39)
HSL	hsl(9, 65%, 43%)
HSV	hsv(9, 79%, 71%)
CMYK	cmyk(0%, 66.5%, 78.6%, 28.6%)
CIE-LAB	lab(43.41, 47.77, 39.52)
CIE-LCH	lch(43.41, 62.00, 39.60°)
OKLab	oklab(53.04% 0.1354 0.0864)
OKLCH	oklch(53.04% 0.161 32.5)
XYZ	xyz(21.3288, 13.4322, 3.3886)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D27 #27A0B6

analogous

#B62758 #B63D27 #B68427

triadic

#B63D27 #27B63D #3D27B6

tetradic

#B63D27 #58B627 #27A0B6 #8427B6

square

#B63D27 #58B627 #27A0B6 #8427B6

split-complementary

#B63D27 #27B684 #2758B6

monochromatic

#511B11 #842C1C #B63D27 #D75A43 #E28676

Accessibility & contrast

On white

5.70

#B63D27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63D27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D27

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D27	#FFFFFF	#000000	##FFFFFF
##B63D27	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605624

Deuteranopia (green-blind)

#7E7022

Tritanopia (blue-blind)

#C81939

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d27;
/* rgb */ color: rgb(182, 61, 39);
/* oklch */ color: oklch(53.0% 0.161 32.5);

Tailwind

colors: {
  custom: {
    50: '#d47963',
    500: '#b63d27',
    950: '#000000',
  },
}

SCSS

$custom: #b63d27;
$custom-light: #d47963;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d27",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 39
  },
  "hsl": {
    "h": 9.231,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.53035,
    "c": 0.16065,
    "h": 32.5
  },
  "luminance": 0.13429
}

Semantic roles & 50–950 ramp

primary

#B63D27

secondary

#70BBC9

accent

#CEE840

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63D27

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

Preview Lab → · Contrast checker → · Palette generator →