#B33B35#B33B35

#B33B35 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.157 H 26.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33B35
RGB	rgb(179, 59, 53)
HSL	hsl(3, 54%, 45%)
HSV	hsv(3, 70%, 70%)
CMYK	cmyk(0%, 67%, 70.4%, 29.8%)
CIE-LAB	lab(42.72, 48.20, 30.71)
CIE-LCH	lch(42.72, 57.15, 32.50°)
OKLab	oklab(52.47% 0.1399 0.0707)
OKLCH	oklch(52.47% 0.157 26.8)
XYZ	xyz(20.7992, 12.9717, 4.7760)
Luminance	0.1297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B35 #35ADB3

analogous

#B3356E #B33B35 #B37A35

triadic

#B33B35 #35B33B #3B35B3

tetradic

#B33B35 #6EB335 #35ADB3 #7A35B3

square

#B33B35 #6EB335 #35ADB3 #7A35B3

split-complementary

#B33B35 #35B37A #356EB3

monochromatic

#551C19 #842B27 #B33B35 #CD5D58 #DB8B87

Accessibility & contrast

On white

5.84

#B33B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B33B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B35

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B35	#FFFFFF	#000000	##FFFFFF
##B33B35	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5433

Deuteranopia (green-blind)

#7A6E31

Tritanopia (blue-blind)

#C51A3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b35;
/* rgb */ color: rgb(179, 59, 53);
/* oklch */ color: oklch(52.5% 0.157 26.8);

Tailwind

colors: {
  custom: {
    50: '#d1786c',
    500: '#b33b35',
    950: '#000000',
  },
}

SCSS

$custom: #b33b35;
$custom-light: #d1786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b35",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 53
  },
  "hsl": {
    "h": 2.857,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52472,
    "c": 0.15679,
    "h": 26.8
  },
  "luminance": 0.12969
}

Semantic roles & 50–950 ramp

primary

#B33B35

secondary

#7FC2C5

accent

#D7DE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33B35

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

Preview Lab → · Contrast checker → · Palette generator →