#BB3023#BB3023

#BB3023 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.178 H 29.6°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#BB3023
RGB	rgb(187, 48, 35)
HSL	hsl(5, 68%, 44%)
HSV	hsv(5, 81%, 73%)
CMYK	cmyk(0%, 74.3%, 81.3%, 26.7%)
CIE-LAB	lab(42.47, 54.32, 41.00)
CIE-LCH	lch(42.47, 68.06, 37.05°)
OKLab	oklab(52.49% 0.1545 0.0879)
OKLCH	oklch(52.49% 0.178 29.6)
XYZ	xyz(21.8565, 12.8035, 2.9103)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3023 #23AEBB

analogous

#BB2362 #BB3023 #BB7C23

triadic

#BB3023 #23BB30 #3023BB

tetradic

#BB3023 #62BB23 #23AEBB #7C23BB

square

#BB3023 #62BB23 #23AEBB #7C23BB

split-complementary

#BB3023 #23BB7C #2362BB

monochromatic

#541610 #872319 #BB3023 #DB4D40 #E57D74

Accessibility & contrast

On white

5.90

#BB3023 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#BB3023 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3023

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3023	#FFFFFF	#000000	##FFFFFF
##BB3023	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5120

Deuteranopia (green-blind)

#7D6F1C

Tritanopia (blue-blind)

#CE002F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #bb3023;
/* rgb */ color: rgb(187, 48, 35);
/* oklch */ color: oklch(52.5% 0.178 29.6);

Tailwind

colors: {
  custom: {
    50: '#d97360',
    500: '#bb3023',
    950: '#000000',
  },
}

SCSS

$custom: #bb3023;
$custom-light: #d97360;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3023",
  "rgb": {
    "r": 187,
    "g": 48,
    "b": 35
  },
  "hsl": {
    "h": 5.132,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52488,
    "c": 0.17781,
    "h": 29.6
  },
  "luminance": 0.128
}

Semantic roles & 50–950 ramp

primary

#BB3023

secondary

#6EC4CC

accent

#DCEB3C

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170905

muted

#857B79

Preview Lab

Preview with #BB3023

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

Preview Lab → · Contrast checker → · Palette generator →