#B64439#B64439

#B64439 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.1% C 0.150 H 28.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#B64439
RGB	rgb(182, 68, 57)
HSL	hsl(5, 52%, 47%)
HSV	hsv(5, 69%, 71%)
CMYK	cmyk(0%, 62.6%, 68.7%, 28.6%)
CIE-LAB	lab(44.77, 45.52, 30.93)
CIE-LCH	lch(44.77, 55.03, 34.19°)
OKLab	oklab(54.13% 0.132 0.0717)
OKLCH	oklch(54.13% 0.15 28.5)
XYZ	xyz(22.0993, 14.3778, 5.4816)
Luminance	0.1437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64439 #39ABB6

analogous

#B6396D #B64439 #B68339

triadic

#B64439 #39B644 #4439B6

tetradic

#B64439 #6DB639 #39ABB6 #8339B6

square

#B64439 #6DB639 #39ABB6 #8339B6

split-complementary

#B64439 #39B683 #396DB6

monochromatic

#59211C #87332A #B64439 #CD695F #DC958E

Accessibility & contrast

On white

5.42

#B64439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#B64439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64439

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64439	#FFFFFF	#000000	##FFFFFF
##B64439	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A37

Deuteranopia (green-blind)

#7F7336

Tritanopia (blue-blind)

#C82A42

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b64439;
/* rgb */ color: rgb(182, 68, 57);
/* oklch */ color: oklch(54.1% 0.150 28.5);

Tailwind

colors: {
  custom: {
    50: '#d37d70',
    500: '#b64439',
    950: '#000000',
  },
}

SCSS

$custom: #b64439;
$custom-light: #d37d70;
$custom-dark: #000000;

JSON

{
  "hex": "#b64439",
  "rgb": {
    "r": 182,
    "g": 68,
    "b": 57
  },
  "hsl": {
    "h": 5.28,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54128,
    "c": 0.1502,
    "h": 28.5
  },
  "luminance": 0.14375
}

Semantic roles & 50–950 ramp

primary

#B64439

secondary

#85C0C6

accent

#CFDC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B64439

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

Preview Lab → · Contrast checker → · Palette generator →