#B03533#B03533

#B03533 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.160 H 25.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B03533
RGB	rgb(176, 53, 51)
HSL	hsl(1, 55%, 45%)
HSV	hsv(1, 71%, 69%)
CMYK	cmyk(0%, 69.9%, 71%, 31%)
CIE-LAB	lab(41.24, 49.54, 30.02)
CIE-LCH	lch(41.24, 57.92, 31.21°)
OKLab	oklab(51.26% 0.1441 0.069)
OKLCH	oklch(51.26% 0.16 25.6)
XYZ	xyz(19.7773, 12.0182, 4.4097)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03533 #33AEB0

analogous

#B03370 #B03533 #B07433

triadic

#B03533 #33B035 #3533B0

tetradic

#B03533 #70B033 #33AEB0 #7433B0

square

#B03533 #70B033 #33AEB0 #7433B0

split-complementary

#B03533 #33B074 #3370B0

monochromatic

#511818 #812725 #B03533 #CD5553 #DB8482

Accessibility & contrast

On white

6.17

#B03533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B03533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03533

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03533	#FFFFFF	#000000	##FFFFFF
##B03533	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585032

Deuteranopia (green-blind)

#766B2F

Tritanopia (blue-blind)

#C20D36

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03533;
/* rgb */ color: rgb(176, 53, 51);
/* oklch */ color: oklch(51.3% 0.160 25.6);

Tailwind

colors: {
  custom: {
    50: '#cf746b',
    500: '#b03533',
    950: '#000000',
  },
}

SCSS

$custom: #b03533;
$custom-light: #cf746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03533",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.96,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.15977,
    "h": 25.6
  },
  "luminance": 0.12015
}

Semantic roles & 50–950 ramp

primary

#B03533

secondary

#7BC3C4

accent

#DCDE49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03533

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

Preview Lab → · Contrast checker → · Palette generator →