#B4201F#B4201F

#B4201F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.9% C 0.183 H 27.3°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B4201F
RGB	rgb(180, 32, 31)
HSL	hsl(0, 71%, 41%)
HSV	hsv(0, 83%, 71%)
CMYK	cmyk(0%, 82.2%, 82.8%, 29.4%)
CIE-LAB	lab(39.31, 56.95, 39.62)
CIE-LCH	lch(39.31, 69.38, 34.83°)
OKLab	oklab(49.88% 0.1628 0.0841)
OKLCH	oklch(49.88% 0.183 27.3)
XYZ	xyz(19.5887, 10.8385, 2.3567)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4201F #1FB3B4

analogous

#B41F69 #B4201F #B46B1F

triadic

#B4201F #1FB420 #201FB4

tetradic

#B4201F #69B41F #1FB3B4 #6B1FB4

square

#B4201F #69B41F #1FB3B4 #6B1FB4

split-complementary

#B4201F #1FB46B #1F69B4

monochromatic

#4C0D0D #801716 #B4201F #DC3534 #E56968

Accessibility & contrast

On white

6.63

#B4201F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B4201F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4201F

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4201F	#FFFFFF	#000000	##FFFFFF
##B4201F	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481D

Deuteranopia (green-blind)

#756817

Tritanopia (blue-blind)

#C70022

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b4201f;
/* rgb */ color: rgb(180, 32, 31);
/* oklch */ color: oklch(49.9% 0.183 27.3);

Tailwind

colors: {
  custom: {
    50: '#d46b5c',
    500: '#b4201f',
    950: '#000000',
  },
}

SCSS

$custom: #b4201f;
$custom-light: #d46b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4201f",
  "rgb": {
    "r": 180,
    "g": 32,
    "b": 31
  },
  "hsl": {
    "h": 0.403,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4988,
    "c": 0.18322,
    "h": 27.3
  },
  "luminance": 0.10835
}

Semantic roles & 50–950 ramp

primary

#B4201F

secondary

#64CACB

accent

#ECED3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B4201F

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

Preview Lab → · Contrast checker → · Palette generator →