#B33C40#B33C40

#B33C40 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.154 H 22.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B33C40
RGB	rgb(179, 60, 64)
HSL	hsl(358, 50%, 47%)
HSV	hsv(358, 66%, 70%)
CMYK	cmyk(0%, 66.5%, 64.2%, 29.8%)
CIE-LAB	lab(43.05, 48.40, 24.52)
CIE-LCH	lch(43.05, 54.26, 26.87°)
OKLab	oklab(52.77% 0.1428 0.0585)
OKLCH	oklch(52.77% 0.154 22.3)
XYZ	xyz(21.1338, 13.1885, 6.2823)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C40 #3CB3AF

analogous

#B33C7C #B33C40 #B3743C

triadic

#B33C40 #40B33C #3C40B3

tetradic

#B33C40 #7CB33C #3CB3AF #743CB3

square

#B33C40 #7CB33C #3CB3AF #743CB3

split-complementary

#B33C40 #3CB374 #3C7CB3

monochromatic

#571D1F #852D30 #B33C40 #CA6265 #DA9092

Accessibility & contrast

On white

5.77

#B33C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C40

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C40	#FFFFFF	#000000	##FFFFFF
##B33C40	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B563F

Deuteranopia (green-blind)

#796F3D

Tritanopia (blue-blind)

#C4203F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33c40;
/* rgb */ color: rgb(179, 60, 64);
/* oklch */ color: oklch(52.8% 0.154 22.3);

Tailwind

colors: {
  custom: {
    50: '#d07874',
    500: '#b33c40',
    950: '#000000',
  },
}

SCSS

$custom: #b33c40;
$custom-light: #d07874;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c40",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 357.983,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5277,
    "c": 0.15433,
    "h": 22.3
  },
  "luminance": 0.13186
}

Semantic roles & 50–950 ramp

primary

#B33C40

secondary

#86C5C3

accent

#D9D54E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33C40

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

Preview Lab → · Contrast checker → · Palette generator →