#B33423#B33423

#B33423 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.166 H 30.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B33423
RGB	rgb(179, 52, 35)
HSL	hsl(7, 67%, 42%)
HSV	hsv(7, 80%, 70%)
CMYK	cmyk(0%, 70.9%, 80.4%, 29.8%)
CIE-LAB	lab(41.48, 50.27, 39.52)
CIE-LCH	lch(41.48, 63.94, 38.17°)
OKLab	oklab(51.47% 0.1427 0.0854)
OKLCH	oklch(51.47% 0.166 30.9)
XYZ	xyz(20.1241, 12.1641, 2.8781)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33423 #23A2B3

analogous

#B3235A #B33423 #B37C23

triadic

#B33423 #23B334 #3423B3

tetradic

#B33423 #5AB323 #23A2B3 #7C23B3

square

#B33423 #5AB323 #23A2B3 #7C23B3

split-complementary

#B33423 #23B37C #235AB3

monochromatic

#4D160F #802519 #B33423 #D94D3B #E37C6E

Accessibility & contrast

On white

6.12

#B33423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B33423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33423

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33423	#FFFFFF	#000000	##FFFFFF
##B33423	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5020

Deuteranopia (green-blind)

#796C1D

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33423;
/* rgb */ color: rgb(179, 52, 35);
/* oklch */ color: oklch(51.5% 0.166 30.9);

Tailwind

colors: {
  custom: {
    50: '#d3745f',
    500: '#b33423',
    950: '#000000',
  },
}

SCSS

$custom: #b33423;
$custom-light: #d3745f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33423",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 35
  },
  "hsl": {
    "h": 7.083,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51473,
    "c": 0.16636,
    "h": 30.9
  },
  "luminance": 0.12161
}

Semantic roles & 50–950 ramp

primary

#B33423

secondary

#69BEC9

accent

#D6EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B33423

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

Preview Lab → · Contrast checker → · Palette generator →