#B33927#B33927

#B33927 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.161 H 31.3°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B33927
RGB	rgb(179, 57, 39)
HSL	hsl(8, 64%, 43%)
HSV	hsv(8, 78%, 70%)
CMYK	cmyk(0%, 68.2%, 78.2%, 29.8%)
CIE-LAB	lab(42.25, 48.41, 38.15)
CIE-LCH	lch(42.25, 61.64, 38.24°)
OKLab	oklab(52.06% 0.1377 0.0837)
OKLCH	oklch(52.06% 0.161 31.3)
XYZ	xyz(20.4221, 12.6595, 3.2873)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33927 #27A1B3

analogous

#B3275B #B33927 #B37F27

triadic

#B33927 #27B339 #3927B3

tetradic

#B33927 #5BB327 #27A1B3 #7F27B3

square

#B33927 #5BB327 #27A1B3 #7F27B3

split-complementary

#B33927 #27B37F #275BB3

monochromatic

#4E1911 #81291C #B33927 #D65541 #E18274

Accessibility & contrast

On white

5.95

#B33927 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B33927 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33927

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33927	#FFFFFF	#000000	##FFFFFF
##B33927	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5324

Deuteranopia (green-blind)

#7A6E22

Tritanopia (blue-blind)

#C51136

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33927;
/* rgb */ color: rgb(179, 57, 39);
/* oklch */ color: oklch(52.1% 0.161 31.3);

Tailwind

colors: {
  custom: {
    50: '#d27662',
    500: '#b33927',
    950: '#000000',
  },
}

SCSS

$custom: #b33927;
$custom-light: #d27662;
$custom-dark: #000000;

JSON

{
  "hex": "#b33927",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 39
  },
  "hsl": {
    "h": 7.714,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52062,
    "c": 0.16116,
    "h": 31.3
  },
  "luminance": 0.12656
}

Semantic roles & 50–950 ramp

primary

#B33927

secondary

#6EBCC8

accent

#D2E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33927

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

Preview Lab → · Contrast checker → · Palette generator →