#BB5538#BB5538

#BB5538 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.3% C 0.139 H 36.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#BB5538
RGB	rgb(187, 85, 56)
HSL	hsl(13, 54%, 48%)
HSV	hsv(13, 70%, 73%)
CMYK	cmyk(0%, 54.5%, 70.1%, 26.7%)
CIE-LAB	lab(48.70, 39.16, 36.29)
CIE-LCH	lch(48.70, 53.39, 42.83°)
OKLab	oklab(57.25% 0.1115 0.0831)
OKLCH	oklch(57.25% 0.139 36.7)
XYZ	xyz(24.4582, 17.3504, 5.8016)
Luminance	0.1735 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5538 #389EBB

analogous

#BB385D #BB5538 #BB9638

triadic

#BB5538 #38BB55 #5538BB

tetradic

#BB5538 #5DBB38 #389EBB #9638BB

square

#BB5538 #5DBB38 #389EBB #9638BB

split-complementary

#BB5538 #38BB96 #385DBB

monochromatic

#5D2A1C #8C402A #BB5538 #D07961 #DEA190

Accessibility & contrast

On white

4.70

#BB5538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#BB5538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5538

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5538	#FFFFFF	#000000	##FFFFFF
##BB5538	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)

#706635

Deuteranopia (green-blind)

#897C36

Tritanopia (blue-blind)

#CD404E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #bb5538;
/* rgb */ color: rgb(187, 85, 56);
/* oklch */ color: oklch(57.3% 0.139 36.7);

Tailwind

colors: {
  custom: {
    50: '#d68770',
    500: '#bb5538',
    950: '#000000',
  },
}

SCSS

$custom: #bb5538;
$custom-light: #d68770;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5538",
  "rgb": {
    "r": 187,
    "g": 85,
    "b": 56
  },
  "hsl": {
    "h": 13.282,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57253,
    "c": 0.139,
    "h": 36.7
  },
  "luminance": 0.17347
}

Semantic roles & 50–950 ramp

primary

#BB5538

secondary

#86BAC8

accent

#BDDD4B

background

#FEF8F6

surface

#FCF0EC

border

#D5CBC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #BB5538

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

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