#B3351C#B3351C

#B3351C is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.167 H 33.1°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B3351C
RGB	rgb(179, 53, 28)
HSL	hsl(10, 73%, 41%)
HSV	hsv(10, 84%, 70%)
CMYK	cmyk(0%, 70.4%, 84.4%, 29.8%)
CIE-LAB	lab(41.56, 49.67, 43.17)
CIE-LCH	lch(41.56, 65.81, 40.99°)
OKLab	oklab(51.52% 0.1396 0.091)
OKLCH	oklch(51.52% 0.167 33.1)
XYZ	xyz(20.0755, 12.2168, 2.3994)
Luminance	0.1221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3351C #1C9AB3

analogous

#B31C4E #B3351C #B3801C

triadic

#B3351C #1CB335 #351CB3

tetradic

#B3351C #4EB31C #1C9AB3 #801CB3

square

#B3351C #4EB31C #1C9AB3 #801CB3

split-complementary

#B3351C #1CB380 #1C4EB3

monochromatic

#49160B #7E2514 #B3351C #DE4B2E #E77963

Accessibility & contrast

On white

6.10

#B3351C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B3351C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3351C

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3351C	#FFFFFF	#000000	##FFFFFF
##B3351C	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5017

Deuteranopia (green-blind)

#7A6C15

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b3351c;
/* rgb */ color: rgb(179, 53, 28);
/* oklch */ color: oklch(51.5% 0.167 33.1);

Tailwind

colors: {
  custom: {
    50: '#d3745b',
    500: '#b3351c',
    950: '#000000',
  },
}

SCSS

$custom: #b3351c;
$custom-light: #d3745b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3351c",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 28
  },
  "hsl": {
    "h": 9.934,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51516,
    "c": 0.16664,
    "h": 33.1
  },
  "luminance": 0.12214
}

Semantic roles & 50–950 ramp

primary

#B3351C

secondary

#5FB9CB

accent

#D1F038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3351C

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

Preview Lab → · Contrast checker → · Palette generator →