#B3281E#B3281E

#B3281E is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.177 H 29.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B3281E
RGB	rgb(179, 40, 30)
HSL	hsl(4, 71%, 41%)
HSV	hsv(4, 83%, 70%)
CMYK	cmyk(0%, 77.7%, 83.2%, 29.8%)
CIE-LAB	lab(39.91, 54.33, 40.65)
CIE-LCH	lch(39.91, 67.85, 36.81°)
OKLab	oklab(50.29% 0.1545 0.0861)
OKLCH	oklch(50.29% 0.177 29.1)
XYZ	xyz(19.5860, 11.1982, 2.3582)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3281E #1EA9B3

analogous

#B31E5E #B3281E #B3721E

triadic

#B3281E #1EB328 #281EB3

tetradic

#B3281E #5EB31E #1EA9B3 #721EB3

square

#B3281E #5EB31E #1EA9B3 #721EB3

split-complementary

#B3281E #1EB372 #1E5EB3

monochromatic

#4A110C #7F1C15 #B3281E #DD3D32 #E56F66

Accessibility & contrast

On white

6.48

#B3281E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B3281E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3281E

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3281E	#FFFFFF	#000000	##FFFFFF
##B3281E	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1B

Deuteranopia (green-blind)

#766916

Tritanopia (blue-blind)

#C60027

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3281e;
/* rgb */ color: rgb(179, 40, 30);
/* oklch */ color: oklch(50.3% 0.177 29.1);

Tailwind

colors: {
  custom: {
    50: '#d36e5c',
    500: '#b3281e',
    950: '#000000',
  },
}

SCSS

$custom: #b3281e;
$custom-light: #d36e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3281e",
  "rgb": {
    "r": 179,
    "g": 40,
    "b": 30
  },
  "hsl": {
    "h": 4.027,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50292,
    "c": 0.17686,
    "h": 29.1
  },
  "luminance": 0.11195
}

Semantic roles & 50–950 ramp

primary

#B3281E

secondary

#62C4CB

accent

#E2EE3A

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3281E

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

Preview Lab → · Contrast checker → · Palette generator →