#B3223F#B3223F

#B3223F is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.3% C 0.179 H 16.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B3223F
RGB	rgb(179, 34, 63)
HSL	hsl(348, 68%, 42%)
HSV	hsv(348, 81%, 70%)
CMYK	cmyk(0%, 81%, 64.8%, 29.8%)
CIE-LAB	lab(39.73, 57.48, 20.90)
CIE-LCH	lch(39.73, 61.16, 19.98°)
OKLab	oklab(50.3% 0.1716 0.0501)
OKLCH	oklch(50.3% 0.179 16.3)
XYZ	xyz(20.0618, 11.0897, 5.7858)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3223F #22B396

analogous

#B32288 #B3223F #B34E22

triadic

#B3223F #3FB322 #223FB3

tetradic

#B3223F #88B322 #22B396 #4E22B3

square

#B3223F #88B322 #22B396 #4E22B3

split-complementary

#B3223F #22B34E #2288B3

monochromatic

#4C0E1B #80182D #B3223F #D93959 #E36C84

Accessibility & contrast

On white

6.53

#B3223F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B3223F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3223F

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3223F	#FFFFFF	#000000	##FFFFFF
##B3223F	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3F

Deuteranopia (green-blind)

#72683B

Tritanopia (blue-blind)

#C5002F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3223f;
/* rgb */ color: rgb(179, 34, 63);
/* oklch */ color: oklch(50.3% 0.179 16.3);

Tailwind

colors: {
  custom: {
    50: '#d26d73',
    500: '#b3223f',
    950: '#000000',
  },
}

SCSS

$custom: #b3223f;
$custom-light: #d26d73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3223f",
  "rgb": {
    "r": 179,
    "g": 34,
    "b": 63
  },
  "hsl": {
    "h": 348,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50299,
    "c": 0.17879,
    "h": 16.3
  },
  "luminance": 0.11087
}

Semantic roles & 50–950 ramp

primary

#B3223F

secondary

#68C9B6

accent

#EBC83D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B3223F

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

Preview Lab → · Contrast checker → · Palette generator →