#B33D24#B33D24

#B33D24 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.158 H 33.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B33D24
RGB	rgb(179, 61, 36)
HSL	hsl(10, 67%, 42%)
HSV	hsv(10, 80%, 70%)
CMYK	cmyk(0%, 65.9%, 79.9%, 29.8%)
CIE-LAB	lab(42.84, 46.62, 40.35)
CIE-LCH	lch(42.84, 61.66, 40.88°)
OKLab	oklab(52.5% 0.1316 0.0876)
OKLCH	oklch(52.5% 0.158 33.6)
XYZ	xyz(20.5799, 13.0516, 3.1043)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D24 #249AB3

analogous

#B32452 #B33D24 #B38524

triadic

#B33D24 #24B33D #3D24B3

tetradic

#B33D24 #52B324 #249AB3 #8524B3

square

#B33D24 #52B324 #249AB3 #8524B3

split-complementary

#B33D24 #24B385 #2452B3

monochromatic

#4D1A10 #802C1A #B33D24 #D8583C #E2836F

Accessibility & contrast

On white

5.82

#B33D24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B33D24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D24

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D24	#FFFFFF	#000000	##FFFFFF
##B33D24	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5520

Deuteranopia (green-blind)

#7C6F1F

Tritanopia (blue-blind)

#C51B38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33d24;
/* rgb */ color: rgb(179, 61, 36);
/* oklch */ color: oklch(52.5% 0.158 33.6);

Tailwind

colors: {
  custom: {
    50: '#d27861',
    500: '#b33d24',
    950: '#000000',
  },
}

SCSS

$custom: #b33d24;
$custom-light: #d27861;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d24",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 36
  },
  "hsl": {
    "h": 10.49,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.525,
    "c": 0.15806,
    "h": 33.6
  },
  "luminance": 0.13049
}

Semantic roles & 50–950 ramp

primary

#B33D24

secondary

#6AB8C9

accent

#CCE93E

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33D24

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

Preview Lab → · Contrast checker → · Palette generator →