#B64537#B64537

#B64537 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.2% C 0.150 H 29.8°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#B64537
RGB	rgb(182, 69, 55)
HSL	hsl(7, 54%, 46%)
HSV	hsv(7, 70%, 71%)
CMYK	cmyk(0%, 62.1%, 69.8%, 28.6%)
CIE-LAB	lab(44.91, 44.95, 32.26)
CIE-LCH	lch(44.91, 55.33, 35.66°)
OKLab	oklab(54.23% 0.1298 0.0743)
OKLCH	oklch(54.23% 0.15 29.8)
XYZ	xyz(22.1114, 14.4802, 5.2443)
Luminance	0.1448 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64537 #37A8B6

analogous

#B63769 #B64537 #B68537

triadic

#B64537 #37B645 #4537B6

tetradic

#B64537 #69B637 #37A8B6 #8537B6

square

#B64537 #69B637 #37A8B6 #8537B6

split-complementary

#B64537 #37B685 #3769B6

monochromatic

#58211B #873329 #B64537 #CE695C #DC948B

Accessibility & contrast

On white

5.39

#B64537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#B64537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64537

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64537	#FFFFFF	#000000	##FFFFFF
##B64537	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B35

Deuteranopia (green-blind)

#807334

Tritanopia (blue-blind)

#C82B42

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b64537;
/* rgb */ color: rgb(182, 69, 55);
/* oklch */ color: oklch(54.2% 0.150 29.8);

Tailwind

colors: {
  custom: {
    50: '#d37d6e',
    500: '#b64537',
    950: '#000000',
  },
}

SCSS

$custom: #b64537;
$custom-light: #d37d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b64537",
  "rgb": {
    "r": 182,
    "g": 69,
    "b": 55
  },
  "hsl": {
    "h": 6.614,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54228,
    "c": 0.14957,
    "h": 29.8
  },
  "luminance": 0.14477
}

Semantic roles & 50–950 ramp

primary

#B64537

secondary

#82BFC6

accent

#CDDD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B64537

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

Preview Lab → · Contrast checker → · Palette generator →