#B0333B#B0333B

#B0333B is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.161 H 21.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B0333B
RGB	rgb(176, 51, 59)
HSL	hsl(356, 55%, 45%)
HSV	hsv(356, 71%, 69%)
CMYK	cmyk(0%, 71%, 66.5%, 31%)
CIE-LAB	lab(41.08, 50.75, 24.98)
CIE-LCH	lch(41.08, 56.57, 26.21°)
OKLab	oklab(51.18% 0.1496 0.059)
OKLCH	oklch(51.18% 0.161 21.5)
XYZ	xyz(19.8798, 11.9164, 5.3901)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0333B #33B0A8

analogous

#B0337A #B0333B #B06A33

triadic

#B0333B #3BB033 #333BB0

tetradic

#B0333B #7AB033 #33B0A8 #6A33B0

square

#B0333B #7AB033 #33B0A8 #6A33B0

split-complementary

#B0333B #33B06A #337AB0

monochromatic

#51181B #81252B #B0333B #CD535B #DB8288

Accessibility & contrast

On white

6.21

#B0333B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B0333B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0333B

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0333B	#FFFFFF	#000000	##FFFFFF
##B0333B	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56503A

Deuteranopia (green-blind)

#756B37

Tritanopia (blue-blind)

#C10B37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0333b;
/* rgb */ color: rgb(176, 51, 59);
/* oklch */ color: oklch(51.2% 0.161 21.5);

Tailwind

colors: {
  custom: {
    50: '#cf7371',
    500: '#b0333b',
    950: '#000000',
  },
}

SCSS

$custom: #b0333b;
$custom-light: #cf7371;
$custom-dark: #000000;

JSON

{
  "hex": "#b0333b",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 356.16,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51175,
    "c": 0.16086,
    "h": 21.5
  },
  "luminance": 0.11914
}

Semantic roles & 50–950 ramp

primary

#B0333B

secondary

#7BC4C0

accent

#DED549

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B0333B

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

Preview Lab → · Contrast checker → · Palette generator →