#B15728#B15728

#B15728 is a mid, vivid orange. Relative luminance 0.163; OKLCH L 55.9% C 0.132 H 45.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#B15728
RGB	rgb(177, 87, 40)
HSL	hsl(21, 63%, 43%)
HSV	hsv(21, 77%, 69%)
CMYK	cmyk(0%, 50.8%, 77.4%, 30.6%)
CIE-LAB	lab(47.39, 33.41, 42.79)
CIE-LCH	lch(47.39, 54.29, 52.02°)
OKLab	oklab(55.9% 0.092 0.0941)
OKLCH	oklch(55.9% 0.132 45.7)
XYZ	xyz(21.9248, 16.3194, 4.0025)
Luminance	0.1632 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B15728 #2882B1

analogous

#B1283D #B15728 #B19C28

triadic

#B15728 #28B157 #5728B1

tetradic

#B15728 #3DB128 #2882B1 #9C28B1

square

#B15728 #3DB128 #2882B1 #9C28B1

split-complementary

#B15728 #28B19C #283DB1

monochromatic

#4D2611 #7F3E1D #B15728 #D47442 #E09974

Accessibility & contrast

On white

4.93

#B15728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#B15728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15728

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B15728	#FFFFFF	#000000	##FFFFFF
##B15728	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706422

Deuteranopia (green-blind)

#867826

Tritanopia (blue-blind)

#C2444D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b15728;
/* rgb */ color: rgb(177, 87, 40);
/* oklch */ color: oklch(55.9% 0.132 45.7);

Tailwind

colors: {
  custom: {
    50: '#cf8865',
    500: '#b15728',
    950: '#000000',
  },
}

SCSS

$custom: #b15728;
$custom-light: #cf8865;
$custom-dark: #000000;

JSON

{
  "hex": "#b15728",
  "rgb": {
    "r": 177,
    "g": 87,
    "b": 40
  },
  "hsl": {
    "h": 20.584,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55897,
    "c": 0.13162,
    "h": 45.7
  },
  "luminance": 0.16317
}

Semantic roles & 50–950 ramp

primary

#B15728

secondary

#6EA8C7

accent

#AEE642

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B15728

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

Preview Lab → · Contrast checker → · Palette generator →