#B33E2D#B33E2D

#B33E2D is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.155 H 31.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B33E2D
RGB	rgb(179, 62, 45)
HSL	hsl(8, 60%, 44%)
HSV	hsv(8, 75%, 70%)
CMYK	cmyk(0%, 65.4%, 74.9%, 29.8%)
CIE-LAB	lab(43.09, 46.54, 35.74)
CIE-LCH	lch(43.09, 58.68, 37.52°)
OKLab	oklab(52.72% 0.1331 0.08)
OKLCH	oklch(52.72% 0.155 31)
XYZ	xyz(20.7889, 13.2214, 3.9394)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E2D #2DA2B3

analogous

#B32D5F #B33E2D #B3812D

triadic

#B33E2D #2DB33E #3E2DB3

tetradic

#B33E2D #5FB32D #2DA2B3 #812DB3

square

#B33E2D #5FB32D #2DA2B3 #812DB3

split-complementary

#B33E2D #2DB381 #2D5FB3

monochromatic

#511C14 #822D21 #B33E2D #D25C4B #DE897C

Accessibility & contrast

On white

5.76

#B33E2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33E2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E2D

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E2D	#FFFFFF	#000000	##FFFFFF
##B33E2D	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562A

Deuteranopia (green-blind)

#7C6F29

Tritanopia (blue-blind)

#C51F3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e2d;
/* rgb */ color: rgb(179, 62, 45);
/* oklch */ color: oklch(52.7% 0.155 31.0);

Tailwind

colors: {
  custom: {
    50: '#d27967',
    500: '#b33e2d',
    950: '#000000',
  },
}

SCSS

$custom: #b33e2d;
$custom-light: #d27967;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e2d",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 45
  },
  "hsl": {
    "h": 7.612,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5272,
    "c": 0.15529,
    "h": 31
  },
  "luminance": 0.13218
}

Semantic roles & 50–950 ramp

primary

#B33E2D

secondary

#75BCC7

accent

#CFE345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33E2D

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

Preview Lab → · Contrast checker → · Palette generator →