#B3291E#B3291E

#B3291E is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.176 H 29.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#B3291E
RGB	rgb(179, 41, 30)
HSL	hsl(4, 71%, 41%)
HSV	hsv(4, 83%, 70%)
CMYK	cmyk(0%, 77.1%, 83.2%, 29.8%)
CIE-LAB	lab(40.03, 54.01, 40.76)
CIE-LCH	lch(40.03, 67.66, 37.04°)
OKLab	oklab(50.38% 0.1535 0.0863)
OKLCH	oklch(50.38% 0.176 29.4)
XYZ	xyz(19.6201, 11.2665, 2.3696)
Luminance	0.1126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3291E #1EA8B3

analogous

#B31E5D #B3291E #B3741E

triadic

#B3291E #1EB329 #291EB3

tetradic

#B3291E #5DB31E #1EA8B3 #741EB3

square

#B3291E #5DB31E #1EA8B3 #741EB3

split-complementary

#B3291E #1EB374 #1E5DB3

monochromatic

#4A110C #7F1D15 #B3291E #DD3E32 #E56F66

Accessibility & contrast

On white

6.46

#B3291E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B3291E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3291E

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3291E	#FFFFFF	#000000	##FFFFFF
##B3291E	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)

#544B1B

Deuteranopia (green-blind)

#766916

Tritanopia (blue-blind)

#C60028

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3291e;
/* rgb */ color: rgb(179, 41, 30);
/* oklch */ color: oklch(50.4% 0.176 29.4);

Tailwind

colors: {
  custom: {
    50: '#d36f5c',
    500: '#b3291e',
    950: '#000000',
  },
}

SCSS

$custom: #b3291e;
$custom-light: #d36f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3291e",
  "rgb": {
    "r": 179,
    "g": 41,
    "b": 30
  },
  "hsl": {
    "h": 4.43,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50376,
    "c": 0.1761,
    "h": 29.4
  },
  "luminance": 0.11263
}

Semantic roles & 50–950 ramp

primary

#B3291E

secondary

#62C3CB

accent

#E1EE3A

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3291E

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

Preview Lab → · Contrast checker → · Palette generator →