#B3201B#B3201B

#B3201B is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.183 H 28.3°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#B3201B
RGB	rgb(179, 32, 27)
HSL	hsl(2, 74%, 40%)
HSV	hsv(2, 85%, 70%)
CMYK	cmyk(0%, 82.1%, 84.9%, 29.8%)
CIE-LAB	lab(39.07, 56.55, 41.44)
CIE-LCH	lch(39.07, 70.11, 36.23°)
OKLab	oklab(49.66% 0.1609 0.0866)
OKLCH	oklch(49.66% 0.183 28.3)
XYZ	xyz(19.3072, 10.6991, 2.0852)
Luminance	0.1070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3201B #1BAEB3

analogous

#B31B62 #B3201B #B36C1B

triadic

#B3201B #1BB320 #201BB3

tetradic

#B3201B #62B31B #1BAEB3 #6C1BB3

square

#B3201B #62B31B #1BAEB3 #6C1BB3

split-complementary

#B3201B #1BB36C #1B62B3

monochromatic

#490D0B #7E1613 #B3201B #DF322C #E76661

Accessibility & contrast

On white

6.69

#B3201B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B3201B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3201B

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3201B	#FFFFFF	#000000	##FFFFFF
##B3201B	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514818

Deuteranopia (green-blind)

#746712

Tritanopia (blue-blind)

#C60021

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b3201b;
/* rgb */ color: rgb(179, 32, 27);
/* oklch */ color: oklch(49.7% 0.183 28.3);

Tailwind

colors: {
  custom: {
    50: '#d46b59',
    500: '#b3201b',
    950: '#000000',
  },
}

SCSS

$custom: #b3201b;
$custom-light: #d46b59;
$custom-dark: #000000;

JSON

{
  "hex": "#b3201b",
  "rgb": {
    "r": 179,
    "g": 32,
    "b": 27
  },
  "hsl": {
    "h": 1.974,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49657,
    "c": 0.18273,
    "h": 28.3
  },
  "luminance": 0.10696
}

Semantic roles & 50–950 ramp

primary

#B3201B

secondary

#5EC8CC

accent

#EAF037

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B3201B

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

Preview Lab → · Contrast checker → · Palette generator →