#B03243#B03243

#B03243 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.162 H 17.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B03243
RGB	rgb(176, 50, 67)
HSL	hsl(352, 56%, 44%)
HSV	hsv(352, 72%, 69%)
CMYK	cmyk(0%, 71.6%, 61.9%, 31%)
CIE-LAB	lab(41.09, 51.63, 20.05)
CIE-LCH	lch(41.09, 55.38, 21.22°)
OKLab	oklab(51.23% 0.154 0.0486)
OKLCH	oklch(51.23% 0.162 17.5)
XYZ	xyz(20.0602, 11.9194, 6.5535)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03243 #32B09F

analogous

#B03282 #B03243 #B06032

triadic

#B03243 #43B032 #3243B0

tetradic

#B03243 #82B032 #32B09F #6032B0

square

#B03243 #82B032 #32B09F #6032B0

split-complementary

#B03243 #32B060 #3282B0

monochromatic

#51171F #802431 #B03243 #CE5162 #DB818D

Accessibility & contrast

On white

6.21

#B03243 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B03243 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03243

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03243	#FFFFFF	#000000	##FFFFFF
##B03243	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545043

Deuteranopia (green-blind)

#746B40

Tritanopia (blue-blind)

#C10D39

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03243;
/* rgb */ color: rgb(176, 50, 67);
/* oklch */ color: oklch(51.2% 0.162 17.5);

Tailwind

colors: {
  custom: {
    50: '#ce7377',
    500: '#b03243',
    950: '#000000',
  },
}

SCSS

$custom: #b03243;
$custom-light: #ce7377;
$custom-dark: #000000;

JSON

{
  "hex": "#b03243",
  "rgb": {
    "r": 176,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 351.905,
    "s": 55.752,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51225,
    "c": 0.16152,
    "h": 17.5
  },
  "luminance": 0.11917
}

Semantic roles & 50–950 ramp

primary

#B03243

secondary

#79C4BA

accent

#DFCB49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03243

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

Preview Lab → · Contrast checker → · Palette generator →