#B03423#B03423

#B03423 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.163 H 31.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B03423
RGB	rgb(176, 52, 35)
HSL	hsl(7, 67%, 41%)
HSV	hsv(7, 80%, 69%)
CMYK	cmyk(0%, 70.5%, 80.1%, 31%)
CIE-LAB	lab(40.91, 49.27, 38.77)
CIE-LCH	lch(40.91, 62.69, 38.20°)
OKLab	oklab(50.95% 0.14 0.0841)
OKLCH	oklch(50.95% 0.163 31)
XYZ	xyz(19.4381, 11.8104, 2.8459)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03423 #239FB0

analogous

#B02359 #B03423 #B07B23

triadic

#B03423 #23B034 #3423B0

tetradic

#B03423 #59B023 #239FB0 #7B23B0

square

#B03423 #59B023 #239FB0 #7B23B0

split-complementary

#B03423 #23B07B #2359B0

monochromatic

#4A160F #7D2519 #B03423 #D84C39 #E27A6C

Accessibility & contrast

On white

6.25

#B03423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B03423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03423

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03423	#FFFFFF	#000000	##FFFFFF
##B03423	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F20

Deuteranopia (green-blind)

#776A1D

Tritanopia (blue-blind)

#C20131

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03423;
/* rgb */ color: rgb(176, 52, 35);
/* oklch */ color: oklch(50.9% 0.163 31.0);

Tailwind

colors: {
  custom: {
    50: '#d0735f',
    500: '#b03423',
    950: '#000000',
  },
}

SCSS

$custom: #b03423;
$custom-light: #d0735f;
$custom-dark: #000000;

JSON

{
  "hex": "#b03423",
  "rgb": {
    "r": 176,
    "g": 52,
    "b": 35
  },
  "hsl": {
    "h": 7.234,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50949,
    "c": 0.16325,
    "h": 31
  },
  "luminance": 0.11807
}

Semantic roles & 50–950 ramp

primary

#B03423

secondary

#67BCC8

accent

#D5EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B03423

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

Preview Lab → · Contrast checker → · Palette generator →