#B64137#B64137

#B64137 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.7% C 0.154 H 28.2°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B64137
RGB	rgb(182, 65, 55)
HSL	hsl(5, 54%, 46%)
HSV	hsv(5, 70%, 71%)
CMYK	cmyk(0%, 64.3%, 69.8%, 28.6%)
CIE-LAB	lab(44.24, 46.75, 31.46)
CIE-LCH	lch(44.24, 56.35, 33.94°)
OKLab	oklab(53.72% 0.1354 0.0726)
OKLCH	oklch(53.72% 0.154 28.2)
XYZ	xyz(21.8736, 14.0046, 5.1650)
Luminance	0.1400 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64137 #37ACB6

analogous

#B6376D #B64137 #B68137

triadic

#B64137 #37B641 #4137B6

tetradic

#B64137 #6DB637 #37ACB6 #8137B6

square

#B64137 #6DB637 #37ACB6 #8137B6

split-complementary

#B64137 #37B681 #376DB6

monochromatic

#581F1B #873029 #B64137 #CE655C #DC928B

Accessibility & contrast

On white

5.53

#B64137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B64137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64137

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64137	#FFFFFF	#000000	##FFFFFF
##B64137	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#7E7234

Tritanopia (blue-blind)

#C8253F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b64137;
/* rgb */ color: rgb(182, 65, 55);
/* oklch */ color: oklch(53.7% 0.154 28.2);

Tailwind

colors: {
  custom: {
    50: '#d37b6e',
    500: '#b64137',
    950: '#000000',
  },
}

SCSS

$custom: #b64137;
$custom-light: #d37b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64137",
  "rgb": {
    "r": 182,
    "g": 65,
    "b": 55
  },
  "hsl": {
    "h": 4.724,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5372,
    "c": 0.15367,
    "h": 28.2
  },
  "luminance": 0.14002
}

Semantic roles & 50–950 ramp

primary

#B64137

secondary

#82C1C6

accent

#D1DD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B64137

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

Preview Lab → · Contrast checker → · Palette generator →