#B63438#B63438

#B63438 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.166 H 23.5°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B63438
RGB	rgb(182, 52, 56)
HSL	hsl(358, 56%, 46%)
HSV	hsv(358, 71%, 71%)
CMYK	cmyk(0%, 71.4%, 69.2%, 28.6%)
CIE-LAB	lab(42.29, 52.14, 28.54)
CIE-LCH	lch(42.29, 59.44, 28.70°)
OKLab	oklab(52.27% 0.1527 0.0663)
OKLCH	oklch(52.27% 0.166 23.5)
XYZ	xyz(21.2355, 12.6897, 5.0718)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63438 #34B6B2

analogous

#B63479 #B63438 #B67134

triadic

#B63438 #38B634 #3438B6

tetradic

#B63438 #79B634 #34B6B2 #7134B6

square

#B63438 #79B634 #34B6B2 #7134B6

split-complementary

#B63438 #34B671 #3479B6

monochromatic

#57191B #862629 #B63438 #CF585C #DD888A

Accessibility & contrast

On white

5.94

#B63438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B63438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63438

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63438	#FFFFFF	#000000	##FFFFFF
##B63438	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595237

Deuteranopia (green-blind)

#796E34

Tritanopia (blue-blind)

#C80437

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63438;
/* rgb */ color: rgb(182, 52, 56);
/* oklch */ color: oklch(52.3% 0.166 23.5);

Tailwind

colors: {
  custom: {
    50: '#d4756e',
    500: '#b63438',
    950: '#000000',
  },
}

SCSS

$custom: #b63438;
$custom-light: #d4756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b63438",
  "rgb": {
    "r": 182,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.154,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52267,
    "c": 0.16643,
    "h": 23.5
  },
  "luminance": 0.12687
}

Semantic roles & 50–950 ramp

primary

#B63438

secondary

#7FC7C5

accent

#DFDA49

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63438

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

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