#B3271E#B3271E

#B3271E is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.178 H 28.9°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B3271E
RGB	rgb(179, 39, 30)
HSL	hsl(4, 71%, 41%)
HSV	hsv(4, 83%, 70%)
CMYK	cmyk(0%, 78.2%, 83.2%, 29.8%)
CIE-LAB	lab(39.80, 54.64, 40.55)
CIE-LCH	lch(39.80, 68.04, 36.58°)
OKLab	oklab(50.21% 0.1555 0.0859)
OKLCH	oklch(50.21% 0.178 28.9)
XYZ	xyz(19.5527, 11.1316, 2.3472)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3271E #1EAAB3

analogous

#B31E5F #B3271E #B3711E

triadic

#B3271E #1EB327 #271EB3

tetradic

#B3271E #5FB31E #1EAAB3 #711EB3

square

#B3271E #5FB31E #1EAAB3 #711EB3

split-complementary

#B3271E #1EB371 #1E5FB3

monochromatic

#4A100C #7F1C15 #B3271E #DD3C32 #E56E66

Accessibility & contrast

On white

6.51

#B3271E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B3271E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3271E

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3271E	#FFFFFF	#000000	##FFFFFF
##B3271E	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1B

Deuteranopia (green-blind)

#766916

Tritanopia (blue-blind)

#C60027

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3271e;
/* rgb */ color: rgb(179, 39, 30);
/* oklch */ color: oklch(50.2% 0.178 28.9);

Tailwind

colors: {
  custom: {
    50: '#d36e5c',
    500: '#b3271e',
    950: '#000000',
  },
}

SCSS

$custom: #b3271e;
$custom-light: #d36e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3271e",
  "rgb": {
    "r": 179,
    "g": 39,
    "b": 30
  },
  "hsl": {
    "h": 3.624,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50209,
    "c": 0.17759,
    "h": 28.9
  },
  "luminance": 0.11128
}

Semantic roles & 50–950 ramp

primary

#B3271E

secondary

#62C4CB

accent

#E3EE3A

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3271E

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

Preview Lab → · Contrast checker → · Palette generator →