#B33C30#B33C30

#B33C30 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.157 H 29.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B33C30
RGB	rgb(179, 60, 48)
HSL	hsl(5, 58%, 45%)
HSV	hsv(5, 73%, 70%)
CMYK	cmyk(0%, 66.5%, 73.2%, 29.8%)
CIE-LAB	lab(42.81, 47.53, 33.72)
CIE-LCH	lch(42.81, 58.28, 35.35°)
OKLab	oklab(52.52% 0.1368 0.0763)
OKLCH	oklch(52.52% 0.157 29.2)
XYZ	xyz(20.7420, 13.0318, 4.2189)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C30 #30A7B3

analogous

#B33066 #B33C30 #B37E30

triadic

#B33C30 #30B33C #3C30B3

tetradic

#B33C30 #66B330 #30A7B3 #7E30B3

square

#B33C30 #66B330 #30A7B3 #7E30B3

split-complementary

#B33C30 #30B37E #3066B3

monochromatic

#521C16 #832C23 #B33C30 #D05C50 #DD8980

Accessibility & contrast

On white

5.82

#B33C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B33C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C30

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C30	#FFFFFF	#000000	##FFFFFF
##B33C30	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D552E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C51B3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c30;
/* rgb */ color: rgb(179, 60, 48);
/* oklch */ color: oklch(52.5% 0.157 29.2);

Tailwind

colors: {
  custom: {
    50: '#d17869',
    500: '#b33c30',
    950: '#000000',
  },
}

SCSS

$custom: #b33c30;
$custom-light: #d17869;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c30",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 5.496,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52519,
    "c": 0.15666,
    "h": 29.2
  },
  "luminance": 0.13029
}

Semantic roles & 50–950 ramp

primary

#B33C30

secondary

#79BFC6

accent

#D3E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33C30

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

Preview Lab → · Contrast checker → · Palette generator →