#B15731#B15731

#B15731 is a mid, vivid orange. Relative luminance 0.164; OKLCH L 56.0% C 0.128 H 42.4°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B15731
RGB	rgb(177, 87, 49)
HSL	hsl(18, 57%, 44%)
HSV	hsv(18, 72%, 69%)
CMYK	cmyk(0%, 50.8%, 72.3%, 30.6%)
CIE-LAB	lab(47.48, 33.82, 38.29)
CIE-LCH	lch(47.48, 51.09, 48.54°)
OKLab	oklab(55.99% 0.0948 0.0865)
OKLCH	oklch(55.99% 0.128 42.4)
XYZ	xyz(22.0961, 16.3879, 4.9047)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B15731 #318BB1

analogous

#B1314B #B15731 #B19731

triadic

#B15731 #31B157 #5731B1

tetradic

#B15731 #4BB131 #318BB1 #9731B1

square

#B15731 #4BB131 #318BB1 #9731B1

split-complementary

#B15731 #31B197 #314BB1

monochromatic

#512816 #813F24 #B15731 #CF7651 #DC9C80

Accessibility & contrast

On white

4.91

#B15731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#B15731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15731

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B15731	#FFFFFF	#000000	##FFFFFF
##B15731	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70642D

Deuteranopia (green-blind)

#86782F

Tritanopia (blue-blind)

#C2454F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b15731;
/* rgb */ color: rgb(177, 87, 49);
/* oklch */ color: oklch(56.0% 0.128 42.4);

Tailwind

colors: {
  custom: {
    50: '#ce886b',
    500: '#b15731',
    950: '#000000',
  },
}

SCSS

$custom: #b15731;
$custom-light: #ce886b;
$custom-dark: #000000;

JSON

{
  "hex": "#b15731",
  "rgb": {
    "r": 177,
    "g": 87,
    "b": 49
  },
  "hsl": {
    "h": 17.813,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55992,
    "c": 0.12834,
    "h": 42.4
  },
  "luminance": 0.16385
}

Semantic roles & 50–950 ramp

primary

#B15731

secondary

#79AEC5

accent

#B3E048

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B15731

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

Preview Lab → · Contrast checker → · Palette generator →