#BB5539#BB5539

#BB5539 is a mid, vivid red. Relative luminance 0.174; OKLCH L 57.3% C 0.139 H 36.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#BB5539
RGB	rgb(187, 85, 57)
HSL	hsl(13, 53%, 48%)
HSV	hsv(13, 70%, 73%)
CMYK	cmyk(0%, 54.5%, 69.5%, 26.7%)
CIE-LAB	lab(48.71, 39.21, 35.75)
CIE-LCH	lch(48.71, 53.06, 42.36°)
OKLab	oklab(57.27% 0.1118 0.0821)
OKLCH	oklch(57.27% 0.139 36.3)
XYZ	xyz(24.4829, 17.3603, 5.9317)
Luminance	0.1736 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5539 #399FBB

analogous

#BB395E #BB5539 #BB9639

triadic

#BB5539 #39BB55 #5539BB

tetradic

#BB5539 #5EBB39 #399FBB #9639BB

square

#BB5539 #5EBB39 #399FBB #9639BB

split-complementary

#BB5539 #39BB96 #395EBB

monochromatic

#5D2A1C #8C402B #BB5539 #CF7A62 #DDA191

Accessibility & contrast

On white

4.70

#BB5539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#BB5539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5539

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5539	#FFFFFF	#000000	##FFFFFF
##BB5539	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706636

Deuteranopia (green-blind)

#897C37

Tritanopia (blue-blind)

#CD404F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #bb5539;
/* rgb */ color: rgb(187, 85, 57);
/* oklch */ color: oklch(57.3% 0.139 36.3);

Tailwind

colors: {
  custom: {
    50: '#d68870',
    500: '#bb5539',
    950: '#000000',
  },
}

SCSS

$custom: #bb5539;
$custom-light: #d68870;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5539",
  "rgb": {
    "r": 187,
    "g": 85,
    "b": 57
  },
  "hsl": {
    "h": 12.923,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57267,
    "c": 0.13869,
    "h": 36.3
  },
  "luminance": 0.17357
}

Semantic roles & 50–950 ramp

primary

#BB5539

secondary

#87BAC8

accent

#BDDD4B

background

#FEF8F6

surface

#FCF0EC

border

#D5CBC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #BB5539

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

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