#B33D38#B33D38

#B33D38 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.154 H 26.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B33D38
RGB	rgb(179, 61, 56)
HSL	hsl(2, 52%, 46%)
HSV	hsv(2, 69%, 70%)
CMYK	cmyk(0%, 65.9%, 68.7%, 29.8%)
CIE-LAB	lab(43.08, 47.51, 29.36)
CIE-LCH	lch(43.08, 55.85, 31.72°)
OKLab	oklab(52.75% 0.1384 0.0682)
OKLCH	oklch(52.75% 0.154 26.2)
XYZ	xyz(20.9751, 13.2097, 5.1859)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D38 #38AEB3

analogous

#B33870 #B33D38 #B37A38

triadic

#B33D38 #38B33D #3D38B3

tetradic

#B33D38 #70B338 #38AEB3 #7A38B3

square

#B33D38 #70B338 #38AEB3 #7A38B3

split-complementary

#B33D38 #38B37A #3870B3

monochromatic

#561D1B #842D29 #B33D38 #CC615C #DB8E8B

Accessibility & contrast

On white

5.77

#B33D38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33D38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D38

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D38	#FFFFFF	#000000	##FFFFFF
##B33D38	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)

#5D5637

Deuteranopia (green-blind)

#7B6F35

Tritanopia (blue-blind)

#C51F3D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33d38;
/* rgb */ color: rgb(179, 61, 56);
/* oklch */ color: oklch(52.8% 0.154 26.2);

Tailwind

colors: {
  custom: {
    50: '#d1796f',
    500: '#b33d38',
    950: '#000000',
  },
}

SCSS

$custom: #b33d38;
$custom-light: #d1796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d38",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 56
  },
  "hsl": {
    "h": 2.439,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52753,
    "c": 0.15429,
    "h": 26.2
  },
  "luminance": 0.13207
}

Semantic roles & 50–950 ramp

primary

#B33D38

secondary

#82C2C5

accent

#D6DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33D38

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

Preview Lab → · Contrast checker → · Palette generator →