#B4351C#B4351C

#B4351C is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.168 H 33.0°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B4351C
RGB	rgb(180, 53, 28)
HSL	hsl(10, 73%, 41%)
HSV	hsv(10, 84%, 71%)
CMYK	cmyk(0%, 70.6%, 84.4%, 29.4%)
CIE-LAB	lab(41.75, 50.01, 43.41)
CIE-LCH	lch(41.75, 66.22, 40.96°)
OKLab	oklab(51.69% 0.1406 0.0914)
OKLCH	oklch(51.69% 0.168 33)
XYZ	xyz(20.3075, 12.3365, 2.4103)
Luminance	0.1233 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4351C #1C9BB4

analogous

#B41C4F #B4351C #B4811C

triadic

#B4351C #1CB435 #351CB4

tetradic

#B4351C #4FB41C #1C9BB4 #811CB4

square

#B4351C #4FB41C #1C9BB4 #811CB4

split-complementary

#B4351C #1CB481 #1C4FB4

monochromatic

#4A160C #7F2514 #B4351C #DF4C2F #E77964

Accessibility & contrast

On white

6.06

#B4351C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B4351C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4351C

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4351C	#FFFFFF	#000000	##FFFFFF
##B4351C	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5117

Deuteranopia (green-blind)

#7A6D15

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b4351c;
/* rgb */ color: rgb(180, 53, 28);
/* oklch */ color: oklch(51.7% 0.168 33.0);

Tailwind

colors: {
  custom: {
    50: '#d4745b',
    500: '#b4351c',
    950: '#000000',
  },
}

SCSS

$custom: #b4351c;
$custom-light: #d4745b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4351c",
  "rgb": {
    "r": 180,
    "g": 53,
    "b": 28
  },
  "hsl": {
    "h": 9.868,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51691,
    "c": 0.16767,
    "h": 33
  },
  "luminance": 0.12333
}

Semantic roles & 50–950 ramp

primary

#B4351C

secondary

#60BACC

accent

#D2F038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B4351C

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

Preview Lab → · Contrast checker → · Palette generator →