#B33C47#B33C47

#B33C47 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.154 H 18.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B33C47
RGB	rgb(179, 60, 71)
HSL	hsl(354, 50%, 47%)
HSV	hsv(354, 66%, 70%)
CMYK	cmyk(0%, 66.5%, 60.3%, 29.8%)
CIE-LAB	lab(43.17, 48.87, 20.41)
CIE-LCH	lch(43.17, 52.96, 22.67°)
OKLab	oklab(52.91% 0.1456 0.0497)
OKLCH	oklch(52.91% 0.154 18.9)
XYZ	xyz(21.3456, 13.2733, 7.3980)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C47 #3CB3A8

analogous

#B33C83 #B33C47 #B36D3C

triadic

#B33C47 #47B33C #3C47B3

tetradic

#B33C47 #83B33C #3CB3A8 #6D3CB3

square

#B33C47 #83B33C #3CB3A8 #6D3CB3

split-complementary

#B33C47 #3CB36D #3C83B3

monochromatic

#571D23 #852D35 #B33C47 #CA626C #DA9097

Accessibility & contrast

On white

5.75

#B33C47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B33C47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C47

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C47	#FFFFFF	#000000	##FFFFFF
##B33C47	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5647

Deuteranopia (green-blind)

#796F44

Tritanopia (blue-blind)

#C42241

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33c47;
/* rgb */ color: rgb(179, 60, 71);
/* oklch */ color: oklch(52.9% 0.154 18.9);

Tailwind

colors: {
  custom: {
    50: '#d0797a',
    500: '#b33c47',
    950: '#000000',
  },
}

SCSS

$custom: #b33c47;
$custom-light: #d0797a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c47",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 71
  },
  "hsl": {
    "h": 354.454,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52905,
    "c": 0.15386,
    "h": 18.9
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary

#B33C47

secondary

#86C5BF

accent

#D9CC4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33C47

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

Preview Lab → · Contrast checker → · Palette generator →