#B3351A#B3351A

#B3351A is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.167 H 33.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B3351A
RGB	rgb(179, 53, 26)
HSL	hsl(11, 75%, 40%)
HSV	hsv(11, 85%, 70%)
CMYK	cmyk(0%, 70.4%, 85.5%, 29.8%)
CIE-LAB	lab(41.54, 49.62, 44.11)
CIE-LCH	lch(41.54, 66.39, 41.64°)
OKLab	oklab(51.5% 0.1391 0.0923)
OKLCH	oklch(51.5% 0.167 33.6)
XYZ	xyz(20.0524, 12.2076, 2.2775)
Luminance	0.1220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3351A #1A98B3

analogous

#B31A4C #B3351A #B3811A

triadic

#B3351A #1AB335 #351AB3

tetradic

#B3351A #4CB31A #1A98B3 #811AB3

square

#B3351A #4CB31A #1A98B3 #811AB3

split-complementary

#B3351A #1AB381 #1A4CB3

monochromatic

#48150A #7E2512 #B3351A #E04A2A #E87860

Accessibility & contrast

On white

6.10

#B3351A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B3351A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3351A

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3351A	#FFFFFF	#000000	##FFFFFF
##B3351A	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)

#5B5015

Deuteranopia (green-blind)

#7A6C12

Tritanopia (blue-blind)

#C50030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b3351a;
/* rgb */ color: rgb(179, 53, 26);
/* oklch */ color: oklch(51.5% 0.167 33.6);

Tailwind

colors: {
  custom: {
    50: '#d3745a',
    500: '#b3351a',
    950: '#000000',
  },
}

SCSS

$custom: #b3351a;
$custom-light: #d3745a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3351a",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 26
  },
  "hsl": {
    "h": 10.588,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51501,
    "c": 0.16696,
    "h": 33.6
  },
  "luminance": 0.12204
}

Semantic roles & 50–950 ramp

primary

#B3351A

secondary

#5DB8CC

accent

#D0F137

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3351A

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

Preview Lab → · Contrast checker → · Palette generator →