#B3203F#B3203F

#B3203F is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.2% C 0.180 H 16.0°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#B3203F
RGB	rgb(179, 32, 63)
HSL	hsl(347, 70%, 41%)
HSV	hsv(347, 82%, 70%)
CMYK	cmyk(0%, 82.1%, 64.8%, 29.8%)
CIE-LAB	lab(39.54, 58.01, 20.66)
CIE-LCH	lch(39.54, 61.58, 19.60°)
OKLab	oklab(50.16% 0.1733 0.0496)
OKLCH	oklch(50.16% 0.18 16)
XYZ	xyz(20.0063, 10.9787, 5.7673)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3203F #20B394

analogous

#B32089 #B3203F #B34B20

triadic

#B3203F #3FB320 #203FB3

tetradic

#B3203F #89B320 #20B394 #4B20B3

square

#B3203F #89B320 #20B394 #4B20B3

split-complementary

#B3203F #20B34B #2089B3

monochromatic

#4B0D1A #7F172D #B3203F #DB3558 #E46983

Accessibility & contrast

On white

6.57

#B3203F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B3203F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3203F

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3203F	#FFFFFF	#000000	##FFFFFF
##B3203F	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4A3F

Deuteranopia (green-blind)

#71683B

Tritanopia (blue-blind)

#C5002E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b3203f;
/* rgb */ color: rgb(179, 32, 63);
/* oklch */ color: oklch(50.2% 0.180 16.0);

Tailwind

colors: {
  custom: {
    50: '#d26c73',
    500: '#b3203f',
    950: '#000000',
  },
}

SCSS

$custom: #b3203f;
$custom-light: #d26c73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3203f",
  "rgb": {
    "r": 179,
    "g": 32,
    "b": 63
  },
  "hsl": {
    "h": 347.347,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50161,
    "c": 0.18028,
    "h": 16
  },
  "luminance": 0.10976
}

Semantic roles & 50–950 ramp

primary

#B3203F

secondary

#65CAB5

accent

#ECC73B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B3203F

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

Preview Lab → · Contrast checker → · Palette generator →