#B33E30#B33E30

#B33E30 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.155 H 29.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B33E30
RGB	rgb(179, 62, 48)
HSL	hsl(6, 58%, 45%)
HSV	hsv(6, 73%, 70%)
CMYK	cmyk(0%, 65.4%, 73.2%, 29.8%)
CIE-LAB	lab(43.13, 46.67, 34.08)
CIE-LCH	lch(43.13, 57.79, 36.14°)
OKLab	oklab(52.76% 0.1341 0.0771)
OKLCH	oklch(52.76% 0.155 29.9)
XYZ	xyz(20.8488, 13.2453, 4.2545)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E30 #30A5B3

analogous

#B33064 #B33E30 #B38030

triadic

#B33E30 #30B33E #3E30B3

tetradic

#B33E30 #64B330 #30A5B3 #8030B3

square

#B33E30 #64B330 #30A5B3 #8030B3

split-complementary

#B33E30 #30B380 #3064B3

monochromatic

#521D16 #832D23 #B33E30 #D05E50 #DD8A80

Accessibility & contrast

On white

5.76

#B33E30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B33E30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E30

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E30	#FFFFFF	#000000	##FFFFFF
##B33E30	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562E

Deuteranopia (green-blind)

#7C6F2C

Tritanopia (blue-blind)

#C51F3B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e30;
/* rgb */ color: rgb(179, 62, 48);
/* oklch */ color: oklch(52.8% 0.155 29.9);

Tailwind

colors: {
  custom: {
    50: '#d17969',
    500: '#b33e30',
    950: '#000000',
  },
}

SCSS

$custom: #b33e30;
$custom-light: #d17969;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e30",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 48
  },
  "hsl": {
    "h": 6.412,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52759,
    "c": 0.15469,
    "h": 29.9
  },
  "luminance": 0.13242
}

Semantic roles & 50–950 ramp

primary

#B33E30

secondary

#79BEC6

accent

#D0E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33E30

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

Preview Lab → · Contrast checker → · Palette generator →