#B4201E#B4201E

#B4201E is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.9% C 0.183 H 27.6°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B4201E
RGB	rgb(180, 32, 30)
HSL	hsl(1, 71%, 41%)
HSV	hsv(1, 83%, 71%)
CMYK	cmyk(0%, 82.2%, 83.3%, 29.4%)
CIE-LAB	lab(39.30, 56.92, 40.15)
CIE-LCH	lch(39.30, 69.66, 35.20°)
OKLab	oklab(49.87% 0.1625 0.0849)
OKLCH	oklch(49.87% 0.183 27.6)
XYZ	xyz(19.5757, 10.8333, 2.2884)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4201E #1EB2B4

analogous

#B41E67 #B4201E #B46B1E

triadic

#B4201E #1EB420 #201EB4

tetradic

#B4201E #67B41E #1EB2B4 #6B1EB4

square

#B4201E #67B41E #1EB2B4 #6B1EB4

split-complementary

#B4201E #1EB46B #1E67B4

monochromatic

#4B0D0D #801715 #B4201E #DD3532 #E66867

Accessibility & contrast

On white

6.63

#B4201E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B4201E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4201E

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4201E	#FFFFFF	#000000	##FFFFFF
##B4201E	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)

#51481B

Deuteranopia (green-blind)

#756816

Tritanopia (blue-blind)

#C70022

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b4201e;
/* rgb */ color: rgb(180, 32, 30);
/* oklch */ color: oklch(49.9% 0.183 27.6);

Tailwind

colors: {
  custom: {
    50: '#d56b5b',
    500: '#b4201e',
    950: '#000000',
  },
}

SCSS

$custom: #b4201e;
$custom-light: #d56b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4201e",
  "rgb": {
    "r": 180,
    "g": 32,
    "b": 30
  },
  "hsl": {
    "h": 0.8,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49871,
    "c": 0.18333,
    "h": 27.6
  },
  "luminance": 0.1083
}

Semantic roles & 50–950 ramp

primary

#B4201E

secondary

#63CACB

accent

#ECEE3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B4201E

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

Preview Lab → · Contrast checker → · Palette generator →