#B3211E#B3211E

#B3211E is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.182 H 27.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#B3211E
RGB	rgb(179, 33, 30)
HSL	hsl(1, 71%, 41%)
HSV	hsv(1, 83%, 70%)
CMYK	cmyk(0%, 81.6%, 83.2%, 29.8%)
CIE-LAB	lab(39.19, 56.37, 39.97)
CIE-LCH	lch(39.19, 69.10, 35.34°)
OKLab	oklab(49.75% 0.1609 0.0846)
OKLCH	oklch(49.75% 0.182 27.7)
XYZ	xyz(19.3710, 10.7683, 2.2866)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3211E #1EB0B3

analogous

#B31E65 #B3211E #B36B1E

triadic

#B3211E #1EB321 #211EB3

tetradic

#B3211E #65B31E #1EB0B3 #6B1EB3

square

#B3211E #65B31E #1EB0B3 #6B1EB3

split-complementary

#B3211E #1EB36B #1E65B3

monochromatic

#4A0E0C #7F1715 #B3211E #DD3532 #E56966

Accessibility & contrast

On white

6.66

#B3211E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B3211E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3211E

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3211E	#FFFFFF	#000000	##FFFFFF
##B3211E	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481B

Deuteranopia (green-blind)

#746816

Tritanopia (blue-blind)

#C60023

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b3211e;
/* rgb */ color: rgb(179, 33, 30);
/* oklch */ color: oklch(49.8% 0.182 27.7);

Tailwind

colors: {
  custom: {
    50: '#d46c5b',
    500: '#b3211e',
    950: '#000000',
  },
}

SCSS

$custom: #b3211e;
$custom-light: #d46c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3211e",
  "rgb": {
    "r": 179,
    "g": 33,
    "b": 30
  },
  "hsl": {
    "h": 1.208,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49753,
    "c": 0.18175,
    "h": 27.7
  },
  "luminance": 0.10765
}

Semantic roles & 50–950 ramp

primary

#B3211E

secondary

#62C8CB

accent

#EAEE3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B3211E

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

Preview Lab → · Contrast checker → · Palette generator →