#B33D29#B33D29

#B33D29 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.157 H 32.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B33D29
RGB	rgb(179, 61, 41)
HSL	hsl(9, 63%, 43%)
HSV	hsv(9, 77%, 70%)
CMYK	cmyk(0%, 65.9%, 77.1%, 29.8%)
CIE-LAB	lab(42.89, 46.80, 37.73)
CIE-LCH	lch(42.89, 60.12, 38.88°)
OKLab	oklab(52.55% 0.1331 0.0833)
OKLCH	oklch(52.55% 0.157 32)
XYZ	xyz(20.6617, 13.0843, 3.5349)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D29 #299FB3

analogous

#B3295A #B33D29 #B38229

triadic

#B33D29 #29B33D #3D29B3

tetradic

#B33D29 #5AB329 #299FB3 #8229B3

square

#B33D29 #5AB329 #299FB3 #8229B3

split-complementary

#B33D29 #29B382 #295AB3

monochromatic

#4F1B12 #812C1E #B33D29 #D45A45 #E08677

Accessibility & contrast

On white

5.81

#B33D29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B33D29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D29

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D29	#FFFFFF	#000000	##FFFFFF
##B33D29	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5526

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#C51C39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33d29;
/* rgb */ color: rgb(179, 61, 41);
/* oklch */ color: oklch(52.6% 0.157 32.0);

Tailwind

colors: {
  custom: {
    50: '#d27864',
    500: '#b33d29',
    950: '#000000',
  },
}

SCSS

$custom: #b33d29;
$custom-light: #d27864;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d29",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 8.696,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52552,
    "c": 0.15705,
    "h": 32
  },
  "luminance": 0.13081
}

Semantic roles & 50–950 ramp

primary

#B33D29

secondary

#70BBC7

accent

#CEE642

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33D29

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

Preview Lab → · Contrast checker → · Palette generator →