#BB313D#BB313D

#BB313D is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.9% C 0.174 H 21.0°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#BB313D
RGB	rgb(187, 49, 61)
HSL	hsl(355, 58%, 46%)
HSV	hsv(355, 74%, 73%)
CMYK	cmyk(0%, 73.8%, 67.4%, 26.7%)
CIE-LAB	lab(42.92, 55.06, 26.49)
CIE-LCH	lch(42.92, 61.11, 25.69°)
OKLab	oklab(52.93% 0.1624 0.0623)
OKLCH	oklch(52.93% 0.174 21)
XYZ	xyz(22.4366, 13.1017, 5.7614)
Luminance	0.1310 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB313D #31BBAF

analogous

#BB3182 #BB313D #BB6A31

triadic

#BB313D #3DBB31 #313DBB

tetradic

#BB313D #82BB31 #31BBAF #6A31BB

square

#BB313D #82BB31 #31BBAF #6A31BB

split-complementary

#BB313D #31BB6A #3182BB

monochromatic

#5A181D #8B242D #BB313D #D35661 #E0878F

Accessibility & contrast

On white

5.80

#BB313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#BB313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB313D

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB313D	#FFFFFF	#000000	##FFFFFF
##BB313D	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533C

Deuteranopia (green-blind)

#7B7039

Tritanopia (blue-blind)

#CD0037

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb313d;
/* rgb */ color: rgb(187, 49, 61);
/* oklch */ color: oklch(52.9% 0.174 21.0);

Tailwind

colors: {
  custom: {
    50: '#d77472',
    500: '#bb313d',
    950: '#000000',
  },
}

SCSS

$custom: #bb313d;
$custom-light: #d77472;
$custom-dark: #000000;

JSON

{
  "hex": "#bb313d",
  "rgb": {
    "r": 187,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 354.783,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52928,
    "c": 0.17389,
    "h": 21
  },
  "luminance": 0.13098
}

Semantic roles & 50–950 ramp

primary

#BB313D

secondary

#7FC9C3

accent

#E2D446

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB313D

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

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