#B15739#B15739

#B15739 is a mid, vivid orange. Relative luminance 0.165; OKLCH L 56.1% C 0.125 H 38.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#B15739
RGB	rgb(177, 87, 57)
HSL	hsl(15, 51%, 46%)
HSV	hsv(15, 68%, 69%)
CMYK	cmyk(0%, 50.8%, 67.8%, 30.6%)
CIE-LAB	lab(47.57, 34.27, 34.04)
CIE-LCH	lch(47.57, 48.30, 44.81°)
OKLab	oklab(56.09% 0.0976 0.0787)
OKLCH	oklch(56.09% 0.125 38.9)
XYZ	xyz(22.2802, 16.4616, 5.8742)
Luminance	0.1646 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B15739 #3993B1

analogous

#B13957 #B15739 #B19339

triadic

#B15739 #39B157 #5739B1

tetradic

#B15739 #57B139 #3993B1 #9339B1

square

#B15739 #57B139 #3993B1 #9339B1

split-complementary

#B15739 #39B193 #3957B1

monochromatic

#54291B #83402A #B15739 #CB785D #DA9F8B

Accessibility & contrast

On white

4.89

#B15739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#B15739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15739

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B15739	#FFFFFF	#000000	##FFFFFF
##B15739	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6536

Deuteranopia (green-blind)

#857837

Tritanopia (blue-blind)

#C24550

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b15739;
/* rgb */ color: rgb(177, 87, 57);
/* oklch */ color: oklch(56.1% 0.125 38.9);

Tailwind

colors: {
  custom: {
    50: '#ce8870',
    500: '#b15739',
    950: '#000000',
  },
}

SCSS

$custom: #b15739;
$custom-light: #ce8870;
$custom-dark: #000000;

JSON

{
  "hex": "#b15739",
  "rgb": {
    "r": 177,
    "g": 87,
    "b": 57
  },
  "hsl": {
    "h": 15,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56095,
    "c": 0.12539,
    "h": 38.9
  },
  "luminance": 0.16459
}

Semantic roles & 50–950 ramp

primary

#B15739

secondary

#82B3C4

accent

#B7DB4D

background

#FDF8F6

surface

#FAF0EC

border

#D3CBC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B15739

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

Preview Lab → · Contrast checker → · Palette generator →