#B03223#B03223

#B03223 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.165 H 30.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B03223
RGB	rgb(176, 50, 35)
HSL	hsl(6, 67%, 41%)
HSV	hsv(6, 80%, 69%)
CMYK	cmyk(0%, 71.6%, 80.1%, 31%)
CIE-LAB	lab(40.63, 50.04, 38.49)
CIE-LCH	lch(40.63, 63.13, 37.56°)
OKLab	oklab(50.74% 0.1424 0.0834)
OKLCH	oklch(50.74% 0.165 30.4)
XYZ	xyz(19.3507, 11.6356, 2.8168)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03223 #23A1B0

analogous

#B0235B #B03223 #B07923

triadic

#B03223 #23B032 #3223B0

tetradic

#B03223 #5BB023 #23A1B0 #7923B0

square

#B03223 #5BB023 #23A1B0 #7923B0

split-complementary

#B03223 #23B079 #235BB0

monochromatic

#4A150F #7D2319 #B03223 #D84A39 #E2786C

Accessibility & contrast

On white

6.31

#B03223 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B03223 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03223

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03223	#FFFFFF	#000000	##FFFFFF
##B03223	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E20

Deuteranopia (green-blind)

#776A1D

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03223;
/* rgb */ color: rgb(176, 50, 35);
/* oklch */ color: oklch(50.7% 0.165 30.4);

Tailwind

colors: {
  custom: {
    50: '#d0725f',
    500: '#b03223',
    950: '#000000',
  },
}

SCSS

$custom: #b03223;
$custom-light: #d0725f;
$custom-dark: #000000;

JSON

{
  "hex": "#b03223",
  "rgb": {
    "r": 176,
    "g": 50,
    "b": 35
  },
  "hsl": {
    "h": 6.383,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50738,
    "c": 0.16501,
    "h": 30.4
  },
  "luminance": 0.11633
}

Semantic roles & 50–950 ramp

primary

#B03223

secondary

#67BEC8

accent

#D7EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160805

muted

#847B79

Preview Lab

Preview with #B03223

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

Preview Lab → · Contrast checker → · Palette generator →