#B33A35#B33A35

#B33A35 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.158 H 26.5°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B33A35
RGB	rgb(179, 58, 53)
HSL	hsl(2, 54%, 45%)
HSV	hsv(2, 70%, 70%)
CMYK	cmyk(0%, 67.6%, 70.4%, 29.8%)
CIE-LAB	lab(42.57, 48.62, 30.53)
CIE-LCH	lch(42.57, 57.41, 32.12°)
OKLab	oklab(52.36% 0.1413 0.0703)
OKLCH	oklch(52.36% 0.158 26.5)
XYZ	xyz(20.7483, 12.8699, 4.7591)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A35 #35AEB3

analogous

#B3356F #B33A35 #B37935

triadic

#B33A35 #35B33A #3A35B3

tetradic

#B33A35 #6FB335 #35AEB3 #7935B3

square

#B33A35 #6FB335 #35AEB3 #7935B3

split-complementary

#B33A35 #35B379 #356FB3

monochromatic

#551B19 #842B27 #B33A35 #CD5C58 #DB8A87

Accessibility & contrast

On white

5.88

#B33A35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B33A35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A35

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A35	#FFFFFF	#000000	##FFFFFF
##B33A35	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5433

Deuteranopia (green-blind)

#7A6E31

Tritanopia (blue-blind)

#C5183A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33a35;
/* rgb */ color: rgb(179, 58, 53);
/* oklch */ color: oklch(52.4% 0.158 26.5);

Tailwind

colors: {
  custom: {
    50: '#d1776c',
    500: '#b33a35',
    950: '#000000',
  },
}

SCSS

$custom: #b33a35;
$custom-light: #d1776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a35",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 53
  },
  "hsl": {
    "h": 2.381,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52356,
    "c": 0.15779,
    "h": 26.5
  },
  "luminance": 0.12867
}

Semantic roles & 50–950 ramp

primary

#B33A35

secondary

#7FC2C5

accent

#D8DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33A35

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

Preview Lab → · Contrast checker → · Palette generator →