#B03643#B03643

#B03643 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.157 H 18.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B03643
RGB	rgb(176, 54, 67)
HSL	hsl(354, 53%, 45%)
HSV	hsv(354, 69%, 69%)
CMYK	cmyk(0%, 69.3%, 61.9%, 31%)
CIE-LAB	lab(41.65, 50.07, 20.78)
CIE-LCH	lch(41.65, 54.22, 22.54°)
OKLab	oklab(51.65% 0.1491 0.0503)
OKLCH	oklch(51.65% 0.157 18.7)
XYZ	xyz(20.2388, 12.2765, 6.6130)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03643 #36B0A3

analogous

#B03680 #B03643 #B06636

triadic

#B03643 #43B036 #3643B0

tetradic

#B03643 #80B036 #36B0A3 #6636B0

square

#B03643 #80B036 #36B0A3 #6636B0

split-complementary

#B03643 #36B066 #3680B0

monochromatic

#52191F #812831 #B03643 #CC5864 #DA868F

Accessibility & contrast

On white

6.08

#B03643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B03643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03643

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03643	#FFFFFF	#000000	##FFFFFF
##B03643	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565243

Deuteranopia (green-blind)

#756C40

Tritanopia (blue-blind)

#C1173C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03643;
/* rgb */ color: rgb(176, 54, 67);
/* oklch */ color: oklch(51.6% 0.157 18.7);

Tailwind

colors: {
  custom: {
    50: '#ce7577',
    500: '#b03643',
    950: '#000000',
  },
}

SCSS

$custom: #b03643;
$custom-light: #ce7577;
$custom-dark: #000000;

JSON

{
  "hex": "#b03643",
  "rgb": {
    "r": 176,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 353.607,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51645,
    "c": 0.15734,
    "h": 18.7
  },
  "luminance": 0.12274
}

Semantic roles & 50–950 ramp

primary

#B03643

secondary

#7EC4BC

accent

#DCCD4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03643

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

Preview Lab → · Contrast checker → · Palette generator →