#BB313E#BB313E

#BB313E is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.9% C 0.174 H 20.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#BB313E
RGB	rgb(187, 49, 62)
HSL	hsl(354, 58%, 46%)
HSV	hsv(354, 74%, 73%)
CMYK	cmyk(0%, 73.8%, 66.8%, 26.7%)
CIE-LAB	lab(42.93, 55.12, 25.91)
CIE-LCH	lch(42.93, 60.90, 25.17°)
OKLab	oklab(52.95% 0.1628 0.0611)
OKLCH	oklch(52.95% 0.174 20.6)
XYZ	xyz(22.4638, 13.1126, 5.9046)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB313E #31BBAE

analogous

#BB3183 #BB313E #BB6931

triadic

#BB313E #3EBB31 #313EBB

tetradic

#BB313E #83BB31 #31BBAE #6931BB

square

#BB313E #83BB31 #31BBAE #6931BB

split-complementary

#BB313E #31BB69 #3183BB

monochromatic

#5A181E #8B242E #BB313E #D35662 #E0878F

Accessibility & contrast

On white

5.80

#BB313E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#BB313E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB313E

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB313E	#FFFFFF	#000000	##FFFFFF
##BB313E	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)

#58533D

Deuteranopia (green-blind)

#7B703A

Tritanopia (blue-blind)

#CD0037

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb313e;
/* rgb */ color: rgb(187, 49, 62);
/* oklch */ color: oklch(52.9% 0.174 20.6);

Tailwind

colors: {
  custom: {
    50: '#d77473',
    500: '#bb313e',
    950: '#000000',
  },
}

SCSS

$custom: #bb313e;
$custom-light: #d77473;
$custom-dark: #000000;

JSON

{
  "hex": "#bb313e",
  "rgb": {
    "r": 187,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 354.348,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52945,
    "c": 0.17383,
    "h": 20.6
  },
  "luminance": 0.13109
}

Semantic roles & 50–950 ramp

primary

#BB313E

secondary

#7FC9C2

accent

#E2D346

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB313E

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

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