#B2451F#B2451F

#B2451F is a mid, vivid orange. Relative luminance 0.138; OKLCH L 53.3% C 0.151 H 38.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B2451F
RGB	rgb(178, 69, 31)
HSL	hsl(16, 70%, 41%)
HSV	hsv(16, 83%, 70%)
CMYK	cmyk(0%, 61.2%, 82.6%, 30.2%)
CIE-LAB	lab(43.98, 42.48, 43.87)
CIE-LCH	lch(43.98, 61.07, 45.92°)
OKLab	oklab(53.31% 0.1181 0.0938)
OKLCH	oklch(53.31% 0.151 38.5)
XYZ	xyz(20.7378, 13.8231, 2.8722)
Luminance	0.1382 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B2451F #1F8CB2

analogous

#B21F42 #B2451F #B28E1F

triadic

#B2451F #1FB245 #451FB2

tetradic

#B2451F #42B21F #1F8CB2 #8E1FB2

square

#B2451F #42B21F #1F8CB2 #8E1FB2

split-complementary

#B2451F #1FB28E #1F42B2

monochromatic

#4A1D0D #7E3116 #B2451F #DB5E33 #E58767

Accessibility & contrast

On white

5.58

#B2451F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B2451F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B2451F

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B2451F	#FFFFFF	#000000	##FFFFFF
##B2451F	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645919

Deuteranopia (green-blind)

#7F711A

Tritanopia (blue-blind)

#C4293E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b2451f;
/* rgb */ color: rgb(178, 69, 31);
/* oklch */ color: oklch(53.3% 0.151 38.5);

Tailwind

colors: {
  custom: {
    50: '#d17d5e',
    500: '#b2451f',
    950: '#000000',
  },
}

SCSS

$custom: #b2451f;
$custom-light: #d17d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#b2451f",
  "rgb": {
    "r": 178,
    "g": 69,
    "b": 31
  },
  "hsl": {
    "h": 15.51,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.53311,
    "c": 0.15076,
    "h": 38.5
  },
  "luminance": 0.1382
}

Semantic roles & 50–950 ramp

primary

#B2451F

secondary

#63AFCA

accent

#BFED3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B2451F

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

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