#BB3028#BB3028

#BB3028 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.177 H 28.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#BB3028
RGB	rgb(187, 48, 40)
HSL	hsl(3, 65%, 45%)
HSV	hsv(3, 79%, 73%)
CMYK	cmyk(0%, 74.3%, 78.6%, 26.7%)
CIE-LAB	lab(42.51, 54.48, 38.34)
CIE-LCH	lch(42.51, 66.62, 35.14°)
OKLab	oklab(52.54% 0.156 0.0838)
OKLCH	oklch(52.54% 0.177 28.2)
XYZ	xyz(21.9361, 12.8353, 3.3295)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3028 #28B3BB

analogous

#BB286A #BB3028 #BB7928

triadic

#BB3028 #28BB30 #3028BB

tetradic

#BB3028 #6ABB28 #28B3BB #7928BB

square

#BB3028 #6ABB28 #28B3BB #7928BB

split-complementary

#BB3028 #28BB79 #286ABB

monochromatic

#561612 #89231D #BB3028 #D85048 #E3807B

Accessibility & contrast

On white

5.89

#BB3028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#BB3028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3028

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3028	#FFFFFF	#000000	##FFFFFF
##BB3028	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5126

Deuteranopia (green-blind)

#7C6F22

Tritanopia (blue-blind)

#CE0030

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #bb3028;
/* rgb */ color: rgb(187, 48, 40);
/* oklch */ color: oklch(52.5% 0.177 28.2);

Tailwind

colors: {
  custom: {
    50: '#d97363',
    500: '#bb3028',
    950: '#000000',
  },
}

SCSS

$custom: #bb3028;
$custom-light: #d97363;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3028",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 3.265,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52539,
    "c": 0.1771,
    "h": 28.2
  },
  "luminance": 0.12832
}

Semantic roles & 50–950 ramp

primary

#BB3028

secondary

#74C6CB

accent

#DFE840

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #BB3028

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

Preview Lab → · Contrast checker → · Palette generator →