#B03644#B03644

#B03644 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.157 H 18.2°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B03644
RGB	rgb(176, 54, 68)
HSL	hsl(353, 53%, 45%)
HSV	hsv(353, 69%, 69%)
CMYK	cmyk(0%, 69.3%, 61.4%, 31%)
CIE-LAB	lab(41.67, 50.14, 20.19)
CIE-LCH	lch(41.67, 54.05, 21.93°)
OKLab	oklab(51.67% 0.1495 0.0491)
OKLCH	oklch(51.67% 0.157 18.2)
XYZ	xyz(20.2690, 12.2886, 6.7724)
Luminance	0.1229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03644 #36B0A2

analogous

#B03681 #B03644 #B06536

triadic

#B03644 #44B036 #3644B0

tetradic

#B03644 #81B036 #36B0A2 #6536B0

square

#B03644 #81B036 #36B0A2 #6536B0

split-complementary

#B03644 #36B065 #3681B0

monochromatic

#521920 #812832 #B03644 #CC5865 #DA8690

Accessibility & contrast

On white

6.07

#B03644 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B03644 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03644

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03644	#FFFFFF	#000000	##FFFFFF
##B03644	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565244

Deuteranopia (green-blind)

#756C41

Tritanopia (blue-blind)

#C1173C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03644;
/* rgb */ color: rgb(176, 54, 68);
/* oklch */ color: oklch(51.7% 0.157 18.2);

Tailwind

colors: {
  custom: {
    50: '#ce7577',
    500: '#b03644',
    950: '#000000',
  },
}

SCSS

$custom: #b03644;
$custom-light: #ce7577;
$custom-dark: #000000;

JSON

{
  "hex": "#b03644",
  "rgb": {
    "r": 176,
    "g": 54,
    "b": 68
  },
  "hsl": {
    "h": 353.115,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51666,
    "c": 0.15731,
    "h": 18.2
  },
  "luminance": 0.12286
}

Semantic roles & 50–950 ramp

primary

#B03644

secondary

#7EC4BC

accent

#DCCC4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03644

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

Preview Lab → · Contrast checker → · Palette generator →