#B3451D#B3451D

#B3451D is a mid, vivid orange. Relative luminance 0.139; OKLCH L 53.5% C 0.152 H 38.8°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B3451D
RGB	rgb(179, 69, 29)
HSL	hsl(16, 72%, 41%)
HSV	hsv(16, 84%, 70%)
CMYK	cmyk(0%, 61.5%, 83.8%, 29.8%)
CIE-LAB	lab(44.13, 42.79, 45.01)
CIE-LCH	lch(44.13, 62.11, 46.45°)
OKLab	oklab(53.46% 0.1186 0.0955)
OKLCH	oklch(53.46% 0.152 38.8)
XYZ	xyz(20.9426, 13.9316, 2.7485)
Luminance	0.1393 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3451D #1D8BB3

analogous

#B31D40 #B3451D #B3901D

triadic

#B3451D #1DB345 #451DB3

tetradic

#B3451D #40B31D #1D8BB3 #901DB3

square

#B3451D #40B31D #1D8BB3 #901DB3

split-complementary

#B3451D #1DB390 #1D40B3

monochromatic

#4A1C0C #7E3114 #B3451D #DD5E30 #E68764

Accessibility & contrast

On white

5.55

#B3451D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B3451D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3451D

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3451D	#FFFFFF	#000000	##FFFFFF
##B3451D	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645917

Deuteranopia (green-blind)

#7F7218

Tritanopia (blue-blind)

#C5293D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3451d;
/* rgb */ color: rgb(179, 69, 29);
/* oklch */ color: oklch(53.5% 0.152 38.8);

Tailwind

colors: {
  custom: {
    50: '#d27d5d',
    500: '#b3451d',
    950: '#000000',
  },
}

SCSS

$custom: #b3451d;
$custom-light: #d27d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b3451d",
  "rgb": {
    "r": 179,
    "g": 69,
    "b": 29
  },
  "hsl": {
    "h": 16,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53457,
    "c": 0.15227,
    "h": 38.8
  },
  "luminance": 0.13929
}

Semantic roles & 50–950 ramp

primary

#B3451D

secondary

#61AFCB

accent

#BEEF39

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B3451D

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

Preview Lab → · Contrast checker → · Palette generator →