#B63127#B63127

#B63127 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.171 H 28.8°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B63127
RGB	rgb(182, 49, 39)
HSL	hsl(4, 65%, 43%)
HSV	hsv(4, 79%, 71%)
CMYK	cmyk(0%, 73.1%, 78.6%, 28.6%)
CIE-LAB	lab(41.68, 52.51, 37.73)
CIE-LCH	lch(41.68, 64.66, 35.70°)
OKLab	oklab(51.74% 0.1502 0.0825)
OKLCH	oklch(51.74% 0.171 28.8)
XYZ	xyz(20.7584, 12.2914, 3.1985)
Luminance	0.1229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63127 #27ACB6

analogous

#B62764 #B63127 #B67827

triadic

#B63127 #27B631 #3127B6

tetradic

#B63127 #64B627 #27ACB6 #7827B6

square

#B63127 #64B627 #27ACB6 #7827B6

split-complementary

#B63127 #27B678 #2764B6

monochromatic

#511611 #84231C #B63127 #D74E43 #E27D76

Accessibility & contrast

On white

6.07

#B63127 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B63127 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63127

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63127	#FFFFFF	#000000	##FFFFFF
##B63127	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595024

Deuteranopia (green-blind)

#7A6D21

Tritanopia (blue-blind)

#C90030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b63127;
/* rgb */ color: rgb(182, 49, 39);
/* oklch */ color: oklch(51.7% 0.171 28.8);

Tailwind

colors: {
  custom: {
    50: '#d57362',
    500: '#b63127',
    950: '#000000',
  },
}

SCSS

$custom: #b63127;
$custom-light: #d57362;
$custom-dark: #000000;

JSON

{
  "hex": "#b63127",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 39
  },
  "hsl": {
    "h": 4.196,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51738,
    "c": 0.17138,
    "h": 28.8
  },
  "luminance": 0.12288
}

Semantic roles & 50–950 ramp

primary

#B63127

secondary

#70C3C9

accent

#DCE840

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63127

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

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