#B33340#B33340

#B33340 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.164 H 19.5°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B33340
RGB	rgb(179, 51, 64)
HSL	hsl(354, 56%, 45%)
HSV	hsv(354, 72%, 70%)
CMYK	cmyk(0%, 71.5%, 64.2%, 29.8%)
CIE-LAB	lab(41.73, 52.01, 22.84)
CIE-LCH	lch(41.73, 56.80, 23.71°)
OKLab	oklab(51.79% 0.1543 0.0547)
OKLCH	oklch(51.79% 0.164 19.5)
XYZ	xyz(20.7018, 12.3245, 6.1383)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33340 #33B3A6

analogous

#B33380 #B33340 #B36633

triadic

#B33340 #40B333 #3340B3

tetradic

#B33340 #80B333 #33B3A6 #6633B3

square

#B33340 #80B333 #33B3A6 #6633B3

split-complementary

#B33340 #33B366 #3380B3

monochromatic

#54181E #83252F #B33340 #CE5561 #DC848D

Accessibility & contrast

On white

6.06

#B33340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33340

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33340	#FFFFFF	#000000	##FFFFFF
##B33340	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#C40A39

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33340;
/* rgb */ color: rgb(179, 51, 64);
/* oklch */ color: oklch(51.8% 0.164 19.5);

Tailwind

colors: {
  custom: {
    50: '#d17474',
    500: '#b33340',
    950: '#000000',
  },
}

SCSS

$custom: #b33340;
$custom-light: #d17474;
$custom-dark: #000000;

JSON

{
  "hex": "#b33340",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 353.906,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51785,
    "c": 0.16368,
    "h": 19.5
  },
  "luminance": 0.12322
}

Semantic roles & 50–950 ramp

primary

#B33340

secondary

#7CC6BE

accent

#DFD049

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33340

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

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