#BB4538#BB4538

#BB4538 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.0% C 0.155 H 29.3°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#BB4538
RGB	rgb(187, 69, 56)
HSL	hsl(6, 54%, 48%)
HSV	hsv(6, 70%, 73%)
CMYK	cmyk(0%, 63.1%, 70.1%, 26.7%)
CIE-LAB	lab(45.78, 46.78, 32.92)
CIE-LCH	lch(45.78, 57.20, 35.13°)
OKLab	oklab(55.05% 0.1352 0.0757)
OKLCH	oklch(55.05% 0.155 29.3)
XYZ	xyz(23.3379, 15.1098, 5.4282)
Luminance	0.1511 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4538 #38AEBB

analogous

#BB386D #BB4538 #BB8638

triadic

#BB4538 #38BB45 #4538BB

tetradic

#BB4538 #6DBB38 #38AEBB #8638BB

square

#BB4538 #6DBB38 #38AEBB #8638BB

split-complementary

#BB4538 #38BB86 #386DBB

monochromatic

#5D221C #8C342A #BB4538 #D06C61 #DE9790

Accessibility & contrast

On white

5.22

#BB4538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#BB4538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4538

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4538	#FFFFFF	#000000	##FFFFFF
##BB4538	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C36

Deuteranopia (green-blind)

#827635

Tritanopia (blue-blind)

#CD2943

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #bb4538;
/* rgb */ color: rgb(187, 69, 56);
/* oklch */ color: oklch(55.0% 0.155 29.3);

Tailwind

colors: {
  custom: {
    50: '#d77e6f',
    500: '#bb4538',
    950: '#000000',
  },
}

SCSS

$custom: #bb4538;
$custom-light: #d77e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4538",
  "rgb": {
    "r": 187,
    "g": 69,
    "b": 56
  },
  "hsl": {
    "h": 5.954,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5505,
    "c": 0.15492,
    "h": 29.3
  },
  "luminance": 0.15107
}

Semantic roles & 50–950 ramp

primary

#BB4538

secondary

#86C2C8

accent

#CFDD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4538

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

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