#B3291B#B3291B

#B3291B is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.176 H 30.1°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#B3291B
RGB	rgb(179, 41, 27)
HSL	hsl(6, 74%, 40%)
HSV	hsv(6, 85%, 70%)
CMYK	cmyk(0%, 77.1%, 84.9%, 29.8%)
CIE-LAB	lab(40.00, 53.93, 42.27)
CIE-LCH	lch(40.00, 68.52, 38.09°)
OKLab	oklab(50.35% 0.1527 0.0885)
OKLCH	oklch(50.35% 0.176 30.1)
XYZ	xyz(19.5836, 11.2519, 2.1774)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3291B #1BA5B3

analogous

#B31B59 #B3291B #B3751B

triadic

#B3291B #1BB329 #291BB3

tetradic

#B3291B #59B31B #1BA5B3 #751BB3

square

#B3291B #59B31B #1BA5B3 #751BB3

split-complementary

#B3291B #1BB375 #1B59B3

monochromatic

#49110B #7E1D13 #B3291B #DF3D2C #E76E61

Accessibility & contrast

On white

6.46

#B3291B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B3291B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3291B

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3291B	#FFFFFF	#000000	##FFFFFF
##B3291B	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B17

Deuteranopia (green-blind)

#766912

Tritanopia (blue-blind)

#C60028

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3291b;
/* rgb */ color: rgb(179, 41, 27);
/* oklch */ color: oklch(50.3% 0.176 30.1);

Tailwind

colors: {
  custom: {
    50: '#d46f5a',
    500: '#b3291b',
    950: '#000000',
  },
}

SCSS

$custom: #b3291b;
$custom-light: #d46f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3291b",
  "rgb": {
    "r": 179,
    "g": 41,
    "b": 27
  },
  "hsl": {
    "h": 5.526,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5035,
    "c": 0.17649,
    "h": 30.1
  },
  "luminance": 0.11249
}

Semantic roles & 50–950 ramp

primary

#B3291B

secondary

#5EC2CC

accent

#DFF037

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3291B

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

Preview Lab → · Contrast checker → · Palette generator →