#B15531#B15531

#B15531 is a mid, vivid orange. Relative luminance 0.161; OKLCH L 55.7% C 0.130 H 41.1°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#B15531
RGB	rgb(177, 85, 49)
HSL	hsl(17, 57%, 44%)
HSV	hsv(17, 72%, 69%)
CMYK	cmyk(0%, 52%, 72.3%, 30.6%)
CIE-LAB	lab(47.06, 34.87, 37.83)
CIE-LCH	lch(47.06, 51.45, 47.33°)
OKLab	oklab(55.68% 0.098 0.0855)
OKLCH	oklch(55.68% 0.13 41.1)
XYZ	xyz(21.9364, 16.0686, 4.8515)
Luminance	0.1607 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B15531 #318DB1

analogous

#B1314D #B15531 #B19531

triadic

#B15531 #31B155 #5531B1

tetradic

#B15531 #4DB131 #318DB1 #9531B1

square

#B15531 #4DB131 #318DB1 #9531B1

split-complementary

#B15531 #31B195 #314DB1

monochromatic

#512716 #813E24 #B15531 #CF7451 #DC9A80

Accessibility & contrast

On white

4.98

#B15531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#B15531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15531

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B15531	#FFFFFF	#000000	##FFFFFF
##B15531	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E632D

Deuteranopia (green-blind)

#85772F

Tritanopia (blue-blind)

#C2424D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b15531;
/* rgb */ color: rgb(177, 85, 49);
/* oklch */ color: oklch(55.7% 0.130 41.1);

Tailwind

colors: {
  custom: {
    50: '#cf876b',
    500: '#b15531',
    950: '#000000',
  },
}

SCSS

$custom: #b15531;
$custom-light: #cf876b;
$custom-dark: #000000;

JSON

{
  "hex": "#b15531",
  "rgb": {
    "r": 177,
    "g": 85,
    "b": 49
  },
  "hsl": {
    "h": 16.875,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55676,
    "c": 0.13007,
    "h": 41.1
  },
  "luminance": 0.16066
}

Semantic roles & 50–950 ramp

primary

#B15531

secondary

#79B0C5

accent

#B5E048

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B15531

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

Preview Lab → · Contrast checker → · Palette generator →