#B1583A#B1583A

#B1583A is a mid, vivid orange. Relative luminance 0.166; OKLCH L 56.3% C 0.124 H 39.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#B1583A
RGB	rgb(177, 88, 58)
HSL	hsl(15, 51%, 46%)
HSV	hsv(15, 67%, 69%)
CMYK	cmyk(0%, 50.3%, 67.2%, 30.6%)
CIE-LAB	lab(47.80, 33.80, 33.74)
CIE-LCH	lch(47.80, 47.76, 44.95°)
OKLab	oklab(56.27% 0.0963 0.0782)
OKLCH	oklch(56.27% 0.124 39.1)
XYZ	xyz(22.3869, 16.6347, 6.0341)
Luminance	0.1663 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1583A #3A93B1

analogous

#B13A57 #B1583A #B1933A

triadic

#B1583A #3AB158 #583AB1

tetradic

#B1583A #57B13A #3A93B1 #933AB1

square

#B1583A #57B13A #3A93B1 #933AB1

split-complementary

#B1583A #3AB193 #3A57B1

monochromatic

#552A1C #83412B #B1583A #CA795E #D9A08C

Accessibility & contrast

On white

4.85

#B1583A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#B1583A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1583A

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1583A	#FFFFFF	#000000	##FFFFFF
##B1583A	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706537

Deuteranopia (green-blind)

#857938

Tritanopia (blue-blind)

#C24751

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b1583a;
/* rgb */ color: rgb(177, 88, 58);
/* oklch */ color: oklch(56.3% 0.124 39.1);

Tailwind

colors: {
  custom: {
    50: '#ce8971',
    500: '#b1583a',
    950: '#000000',
  },
}

SCSS

$custom: #b1583a;
$custom-light: #ce8971;
$custom-dark: #000000;

JSON

{
  "hex": "#b1583a",
  "rgb": {
    "r": 177,
    "g": 88,
    "b": 58
  },
  "hsl": {
    "h": 15.126,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56269,
    "c": 0.12411,
    "h": 39.1
  },
  "luminance": 0.16632
}

Semantic roles & 50–950 ramp

primary

#B1583A

secondary

#83B3C4

accent

#B7DA4E

background

#FDF8F6

surface

#FAF0EC

border

#D3CBC7

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B1583A

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

Preview Lab → · Contrast checker → · Palette generator →