#B33030#B33030

#B33030 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.168 H 25.4°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B33030
RGB	rgb(179, 48, 48)
HSL	hsl(0, 58%, 45%)
HSV	hsv(0, 73%, 70%)
CMYK	cmyk(0%, 73.2%, 73.2%, 29.8%)
CIE-LAB	lab(41.08, 52.27, 31.75)
CIE-LCH	lch(41.08, 61.15, 31.27°)
OKLab	oklab(51.22% 0.1517 0.072)
OKLCH	oklch(51.22% 0.168 25.4)
XYZ	xyz(20.1831, 11.9141, 4.0326)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33030 #30B3B3

analogous

#B33072 #B33030 #B37230

triadic

#B33030 #30B330 #3030B3

tetradic

#B33030 #72B330 #30B3B3 #7230B3

square

#B33030 #72B330 #30B3B3 #7230B3

split-complementary

#B33030 #30B372 #3072B3

monochromatic

#521616 #832323 #B33030 #D05050 #DD8080

Accessibility & contrast

On white

6.21

#B33030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B33030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33030

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33030	#FFFFFF	#000000	##FFFFFF
##B33030	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)

#564F2F

Deuteranopia (green-blind)

#776B2B

Tritanopia (blue-blind)

#C50032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33030;
/* rgb */ color: rgb(179, 48, 48);
/* oklch */ color: oklch(51.2% 0.168 25.4);

Tailwind

colors: {
  custom: {
    50: '#d27268',
    500: '#b33030',
    950: '#000000',
  },
}

SCSS

$custom: #b33030;
$custom-light: #d27268;
$custom-dark: #000000;

JSON

{
  "hex": "#b33030",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51223,
    "c": 0.16794,
    "h": 25.4
  },
  "luminance": 0.11911
}

Semantic roles & 50–950 ramp

primary

#B33030

secondary

#79C6C6

accent

#E1E147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B33030

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

Preview Lab → · Contrast checker → · Palette generator →