#BB351D#BB351D

#BB351D is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.175 H 32.5°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#BB351D
RGB	rgb(187, 53, 29)
HSL	hsl(9, 73%, 42%)
HSV	hsv(9, 84%, 73%)
CMYK	cmyk(0%, 71.7%, 84.5%, 26.7%)
CIE-LAB	lab(43.07, 52.35, 44.60)
CIE-LCH	lch(43.07, 68.77, 40.43°)
OKLab	oklab(52.92% 0.1473 0.0937)
OKLCH	oklch(52.92% 0.175 32.5)
XYZ	xyz(21.9910, 13.2031, 2.5527)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB351D #1DA3BB

analogous

#BB1D54 #BB351D #BB841D

triadic

#BB351D #1DBB35 #351DBB

tetradic

#BB351D #54BB1D #1DA3BB #841DBB

square

#BB351D #54BB1D #1DA3BB #841DBB

split-complementary

#BB351D #1DBB84 #1D54BB

monochromatic

#51170D #862615 #BB351D #E04F35 #E87E6A

Accessibility & contrast

On white

5.77

#BB351D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#BB351D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB351D

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB351D	#FFFFFF	#000000	##FFFFFF
##BB351D	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5318

Deuteranopia (green-blind)

#7E7115

Tritanopia (blue-blind)

#CE0031

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb351d;
/* rgb */ color: rgb(187, 53, 29);
/* oklch */ color: oklch(52.9% 0.175 32.5);

Tailwind

colors: {
  custom: {
    50: '#d9755c',
    500: '#bb351d',
    950: '#000000',
  },
}

SCSS

$custom: #bb351d;
$custom-light: #d9755c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb351d",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 29
  },
  "hsl": {
    "h": 9.114,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52922,
    "c": 0.1746,
    "h": 32.5
  },
  "luminance": 0.132
}

Semantic roles & 50–950 ramp

primary

#BB351D

secondary

#66BECE

accent

#D4F038

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB351D

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

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