#B64031#B64031

#B64031 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.156 H 30.2°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B64031
RGB	rgb(182, 64, 49)
HSL	hsl(7, 58%, 45%)
HSV	hsv(7, 73%, 71%)
CMYK	cmyk(0%, 64.8%, 73.1%, 28.6%)
CIE-LAB	lab(44.00, 46.90, 34.63)
CIE-LCH	lch(44.00, 58.30, 36.45°)
OKLab	oklab(53.51% 0.1347 0.0784)
OKLCH	oklch(53.51% 0.156 30.2)
XYZ	xyz(21.6815, 13.8367, 4.4342)
Luminance	0.1383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B64031 #31A7B6

analogous

#B63164 #B64031 #B68231

triadic

#B64031 #31B640 #4031B6

tetradic

#B64031 #64B631 #31A7B6 #8231B6

square

#B64031 #64B631 #31A7B6 #8231B6

split-complementary

#B64031 #31B682 #3164B6

monochromatic

#561E17 #862F24 #B64031 #D16253 #DE8E84

Accessibility & contrast

On white

5.58

#B64031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B64031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B64031

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B64031	#FFFFFF	#000000	##FFFFFF
##B64031	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582F

Deuteranopia (green-blind)

#7E722D

Tritanopia (blue-blind)

#C8213D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b64031;
/* rgb */ color: rgb(182, 64, 49);
/* oklch */ color: oklch(53.5% 0.156 30.2);

Tailwind

colors: {
  custom: {
    50: '#d47b6a',
    500: '#b64031',
    950: '#000000',
  },
}

SCSS

$custom: #b64031;
$custom-light: #d47b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b64031",
  "rgb": {
    "r": 182,
    "g": 64,
    "b": 49
  },
  "hsl": {
    "h": 6.767,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53514,
    "c": 0.1558,
    "h": 30.2
  },
  "luminance": 0.13834
}

Semantic roles & 50–950 ramp

primary

#B64031

secondary

#7CBFC7

accent

#CFE147

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B64031

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

Preview Lab → · Contrast checker → · Palette generator →