#BB5731#BB5731

#BB5731 is a mid, vivid orange. Relative luminance 0.176; OKLCH L 57.5% C 0.139 H 40.5°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#BB5731
RGB	rgb(187, 87, 49)
HSL	hsl(17, 58%, 46%)
HSV	hsv(17, 74%, 73%)
CMYK	cmyk(0%, 53.5%, 73.8%, 26.7%)
CIE-LAB	lab(49.01, 37.79, 40.40)
CIE-LCH	lch(49.01, 55.32, 46.91°)
OKLab	oklab(57.47% 0.106 0.0905)
OKLCH	oklch(57.47% 0.139 40.5)
XYZ	xyz(24.4585, 17.6060, 5.0155)
Luminance	0.1760 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5731 #3195BB

analogous

#BB3150 #BB5731 #BB9C31

triadic

#BB5731 #31BB57 #5731BB

tetradic

#BB5731 #50BB31 #3195BB #9C31BB

square

#BB5731 #50BB31 #3195BB #9C31BB

split-complementary

#BB5731 #31BB9C #3150BB

monochromatic

#5A2A18 #8B4024 #BB5731 #D37956 #E09F87

Accessibility & contrast

On white

4.65

#BB5731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#BB5731 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5731

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5731	#FFFFFF	#000000	##FFFFFF
##BB5731	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72672D

Deuteranopia (green-blind)

#8B7D2F

Tritanopia (blue-blind)

#CD424F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #bb5731;
/* rgb */ color: rgb(187, 87, 49);
/* oklch */ color: oklch(57.5% 0.139 40.5);

Tailwind

colors: {
  custom: {
    50: '#d6896b',
    500: '#bb5731',
    950: '#000000',
  },
}

SCSS

$custom: #bb5731;
$custom-light: #d6896b;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5731",
  "rgb": {
    "r": 187,
    "g": 87,
    "b": 49
  },
  "hsl": {
    "h": 16.522,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57469,
    "c": 0.1394,
    "h": 40.5
  },
  "luminance": 0.17603
}

Semantic roles & 50–950 ramp

primary

#BB5731

secondary

#7FB5C9

accent

#B7E246

background

#FEF8F6

surface

#FCF0EB

border

#D5CBC6

text

#160C07

muted

#847D7A

Preview Lab

Preview with #BB5731

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

Preview Lab → · Contrast checker → · Palette generator →