#B33C29#B33C29

#B33C29 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.158 H 31.7°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33C29
RGB	rgb(179, 60, 41)
HSL	hsl(8, 63%, 43%)
HSV	hsv(8, 77%, 70%)
CMYK	cmyk(0%, 66.5%, 77.1%, 29.8%)
CIE-LAB	lab(42.73, 47.23, 37.56)
CIE-LCH	lch(42.73, 60.35, 38.50°)
OKLab	oklab(52.43% 0.1345 0.083)
OKLCH	oklch(52.43% 0.158 31.7)
XYZ	xyz(20.6088, 12.9785, 3.5173)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C29 #29A0B3

analogous

#B3295B #B33C29 #B38129

triadic

#B33C29 #29B33C #3C29B3

tetradic

#B33C29 #5BB329 #29A0B3 #8129B3

square

#B33C29 #5BB329 #29A0B3 #8129B3

split-complementary

#B33C29 #29B381 #295BB3

monochromatic

#4F1B12 #812B1E #B33C29 #D45945 #E08577

Accessibility & contrast

On white

5.84

#B33C29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33C29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C29

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C29	#FFFFFF	#000000	##FFFFFF
##B33C29	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5426

Deuteranopia (green-blind)

#7B6F25

Tritanopia (blue-blind)

#C51938

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c29;
/* rgb */ color: rgb(179, 60, 41);
/* oklch */ color: oklch(52.4% 0.158 31.7);

Tailwind

colors: {
  custom: {
    50: '#d27864',
    500: '#b33c29',
    950: '#000000',
  },
}

SCSS

$custom: #b33c29;
$custom-light: #d27864;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c29",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 41
  },
  "hsl": {
    "h": 8.261,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52433,
    "c": 0.15799,
    "h": 31.7
  },
  "luminance": 0.12976
}

Semantic roles & 50–950 ramp

primary

#B33C29

secondary

#70BBC7

accent

#CFE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33C29

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

Preview Lab → · Contrast checker → · Palette generator →