#BB4028#BB4028

#BB4028 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.2% C 0.163 H 33.0°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#BB4028
RGB	rgb(187, 64, 40)
HSL	hsl(10, 65%, 45%)
HSV	hsv(10, 79%, 73%)
CMYK	cmyk(0%, 65.8%, 78.6%, 26.7%)
CIE-LAB	lab(44.78, 48.27, 40.68)
CIE-LCH	lch(44.78, 63.13, 40.12°)
OKLab	oklab(54.24% 0.1367 0.0889)
OKLCH	oklch(54.24% 0.163 33)
XYZ	xyz(22.7125, 14.3881, 3.5883)
Luminance	0.1439 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4028 #28A3BB

analogous

#BB285A #BB4028 #BB8A28

triadic

#BB4028 #28BB40 #4028BB

tetradic

#BB4028 #5ABB28 #28A3BB #8A28BB

square

#BB4028 #5ABB28 #28A3BB #8A28BB

split-complementary

#BB4028 #28BB8A #285ABB

monochromatic

#561D12 #892F1D #BB4028 #D86048 #E38C7B

Accessibility & contrast

On white

5.42

#BB4028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#BB4028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4028

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4028	#FFFFFF	#000000	##FFFFFF
##BB4028	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635924

Deuteranopia (green-blind)

#827423

Tritanopia (blue-blind)

#CE1C3B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb4028;
/* rgb */ color: rgb(187, 64, 40);
/* oklch */ color: oklch(54.2% 0.163 33.0);

Tailwind

colors: {
  custom: {
    50: '#d87b64',
    500: '#bb4028',
    950: '#000000',
  },
}

SCSS

$custom: #bb4028;
$custom-light: #d87b64;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4028",
  "rgb": {
    "r": 187,
    "g": 64,
    "b": 40
  },
  "hsl": {
    "h": 9.796,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5424,
    "c": 0.163,
    "h": 33
  },
  "luminance": 0.14385
}

Semantic roles & 50–950 ramp

primary

#BB4028

secondary

#74BDCB

accent

#CCE840

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #BB4028

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

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