#B03343#B03343

#B03343 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.160 H 17.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B03343
RGB	rgb(176, 51, 67)
HSL	hsl(352, 55%, 45%)
HSV	hsv(352, 71%, 69%)
CMYK	cmyk(0%, 71%, 61.9%, 31%)
CIE-LAB	lab(41.23, 51.25, 20.23)
CIE-LCH	lch(41.23, 55.09, 21.54°)
OKLab	oklab(51.33% 0.1528 0.0491)
OKLCH	oklch(51.33% 0.16 17.8)
XYZ	xyz(20.1035, 12.0059, 6.5679)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03343 #33B0A0

analogous

#B03382 #B03343 #B06233

triadic

#B03343 #43B033 #3343B0

tetradic

#B03343 #82B033 #33B0A0 #6233B0

square

#B03343 #82B033 #33B0A0 #6233B0

split-complementary

#B03343 #33B062 #3382B0

monochromatic

#51181F #812531 #B03343 #CD5363 #DB828E

Accessibility & contrast

On white

6.18

#B03343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B03343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03343

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03343	#FFFFFF	#000000	##FFFFFF
##B03343	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545143

Deuteranopia (green-blind)

#746B40

Tritanopia (blue-blind)

#C1103A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03343;
/* rgb */ color: rgb(176, 51, 67);
/* oklch */ color: oklch(51.3% 0.160 17.8);

Tailwind

colors: {
  custom: {
    50: '#ce7477',
    500: '#b03343',
    950: '#000000',
  },
}

SCSS

$custom: #b03343;
$custom-light: #ce7477;
$custom-dark: #000000;

JSON

{
  "hex": "#b03343",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 352.32,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51327,
    "c": 0.16049,
    "h": 17.8
  },
  "luminance": 0.12003
}

Semantic roles & 50–950 ramp

primary

#B03343

secondary

#7BC4BB

accent

#DECB49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03343

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

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