#B33741#B33741

#B33741 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.160 H 20.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B33741
RGB	rgb(179, 55, 65)
HSL	hsl(355, 53%, 46%)
HSV	hsv(355, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 63.7%, 29.8%)
CIE-LAB	lab(42.31, 50.52, 22.97)
CIE-LCH	lch(42.31, 55.50, 24.45°)
OKLab	oklab(52.23% 0.1497 0.0551)
OKLCH	oklch(52.23% 0.16 20.2)
XYZ	xyz(20.9128, 12.7007, 6.3503)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33741 #37B3A9

analogous

#B3377F #B33741 #B36B37

triadic

#B33741 #41B337 #3741B3

tetradic

#B33741 #7FB337 #37B3A9 #6B37B3

square

#B33741 #7FB337 #37B3A9 #6B37B3

split-complementary

#B33741 #37B36B #377FB3

monochromatic

#551A1F #842930 #B33741 #CD5B64 #DB8A90

Accessibility & contrast

On white

5.93

#B33741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B33741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33741

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33741	#FFFFFF	#000000	##FFFFFF
##B33741	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585340

Deuteranopia (green-blind)

#786E3E

Tritanopia (blue-blind)

#C4163C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33741;
/* rgb */ color: rgb(179, 55, 65);
/* oklch */ color: oklch(52.2% 0.160 20.2);

Tailwind

colors: {
  custom: {
    50: '#d17675',
    500: '#b33741',
    950: '#000000',
  },
}

SCSS

$custom: #b33741;
$custom-light: #d17675;
$custom-dark: #000000;

JSON

{
  "hex": "#b33741",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 355.161,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52225,
    "c": 0.15955,
    "h": 20.2
  },
  "luminance": 0.12698
}

Semantic roles & 50–950 ramp

primary

#B33741

secondary

#81C5C0

accent

#DCD14B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33741

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

Preview Lab → · Contrast checker → · Palette generator →