#B3223D#B3223D

#B3223D is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.179 H 17.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B3223D
RGB	rgb(179, 34, 61)
HSL	hsl(349, 68%, 42%)
HSV	hsv(349, 81%, 70%)
CMYK	cmyk(0%, 81%, 65.9%, 29.8%)
CIE-LAB	lab(39.69, 57.37, 22.11)
CIE-LCH	lch(39.69, 61.48, 21.07°)
OKLab	oklab(50.26% 0.1708 0.0527)
OKLCH	oklch(50.26% 0.179 17.1)
XYZ	xyz(20.0070, 11.0678, 5.4968)
Luminance	0.1106 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3223D #22B398

analogous

#B32285 #B3223D #B35022

triadic

#B3223D #3DB322 #223DB3

tetradic

#B3223D #85B322 #22B398 #5022B3

square

#B3223D #85B322 #22B398 #5022B3

split-complementary

#B3223D #22B350 #2285B3

monochromatic

#4C0E1A #80182B #B3223D #D93957 #E36C82

Accessibility & contrast

On white

6.54

#B3223D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B3223D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3223D

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3223D	#FFFFFF	#000000	##FFFFFF
##B3223D	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3D

Deuteranopia (green-blind)

#726839

Tritanopia (blue-blind)

#C5002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b3223d;
/* rgb */ color: rgb(179, 34, 61);
/* oklch */ color: oklch(50.3% 0.179 17.1);

Tailwind

colors: {
  custom: {
    50: '#d26d72',
    500: '#b3223d',
    950: '#000000',
  },
}

SCSS

$custom: #b3223d;
$custom-light: #d26d72;
$custom-dark: #000000;

JSON

{
  "hex": "#b3223d",
  "rgb": {
    "r": 179,
    "g": 34,
    "b": 61
  },
  "hsl": {
    "h": 348.828,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5026,
    "c": 0.17877,
    "h": 17.1
  },
  "luminance": 0.11065
}

Semantic roles & 50–950 ramp

primary

#B3223D

secondary

#68C9B7

accent

#EBCB3D

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B3223D

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

Preview Lab → · Contrast checker → · Palette generator →