#B63029#B63029

#B63029 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.172 H 27.9°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B63029
RGB	rgb(182, 48, 41)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 77%, 71%)
CMYK	cmyk(0%, 73.6%, 77.5%, 28.6%)
CIE-LAB	lab(41.57, 52.94, 36.50)
CIE-LCH	lch(41.57, 64.30, 34.58°)
OKLab	oklab(51.66% 0.152 0.0804)
OKLCH	oklch(51.66% 0.172 27.9)
XYZ	xyz(20.7510, 12.2223, 3.3639)
Luminance	0.1222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63029 #29AFB6

analogous

#B62968 #B63029 #B67629

triadic

#B63029 #29B630 #3029B6

tetradic

#B63029 #68B629 #29AFB6 #7629B6

square

#B63029 #68B629 #29AFB6 #7629B6

split-complementary

#B63029 #29B676 #2968B6

monochromatic

#521612 #84231E #B63029 #D54E47 #E17E79

Accessibility & contrast

On white

6.10

#B63029 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B63029 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63029

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63029	#FFFFFF	#000000	##FFFFFF
##B63029	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F27

Deuteranopia (green-blind)

#796D24

Tritanopia (blue-blind)

#C90030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b63029;
/* rgb */ color: rgb(182, 48, 41);
/* oklch */ color: oklch(51.7% 0.172 27.9);

Tailwind

colors: {
  custom: {
    50: '#d57263',
    500: '#b63029',
    950: '#000000',
  },
}

SCSS

$custom: #b63029;
$custom-light: #d57263;
$custom-dark: #000000;

JSON

{
  "hex": "#b63029",
  "rgb": {
    "r": 182,
    "g": 48,
    "b": 41
  },
  "hsl": {
    "h": 2.979,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51664,
    "c": 0.17194,
    "h": 27.9
  },
  "luminance": 0.12219
}

Semantic roles & 50–950 ramp

primary

#B63029

secondary

#72C4C9

accent

#DEE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63029

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

Preview Lab → · Contrast checker → · Palette generator →