#B03723#B03723

#B03723 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.3% C 0.161 H 32.0°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B03723
RGB	rgb(176, 55, 35)
HSL	hsl(9, 67%, 41%)
HSV	hsv(9, 80%, 69%)
CMYK	cmyk(0%, 68.8%, 80.1%, 31%)
CIE-LAB	lab(41.35, 48.07, 39.21)
CIE-LCH	lch(41.35, 62.03, 39.21°)
OKLab	oklab(51.28% 0.1362 0.085)
OKLCH	oklch(51.28% 0.161 32)
XYZ	xyz(19.5763, 12.0868, 2.8920)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03723 #239CB0

analogous

#B02355 #B03723 #B07E23

triadic

#B03723 #23B037 #3723B0

tetradic

#B03723 #55B023 #239CB0 #7E23B0

square

#B03723 #55B023 #239CB0 #7E23B0

split-complementary

#B03723 #23B07E #2355B0

monochromatic

#4A170F #7D2719 #B03723 #D84F39 #E27C6C

Accessibility & contrast

On white

6.15

#B03723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B03723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03723

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03723	#FFFFFF	#000000	##FFFFFF
##B03723	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5120

Deuteranopia (green-blind)

#786B1E

Tritanopia (blue-blind)

#C20D33

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03723;
/* rgb */ color: rgb(176, 55, 35);
/* oklch */ color: oklch(51.3% 0.161 32.0);

Tailwind

colors: {
  custom: {
    50: '#d07560',
    500: '#b03723',
    950: '#000000',
  },
}

SCSS

$custom: #b03723;
$custom-light: #d07560;
$custom-dark: #000000;

JSON

{
  "hex": "#b03723",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 8.511,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51279,
    "c": 0.16056,
    "h": 32
  },
  "luminance": 0.12084
}

Semantic roles & 50–950 ramp

primary

#B03723

secondary

#67BAC8

accent

#D1EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B03723

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

Preview Lab → · Contrast checker → · Palette generator →