#BB2423#BB2423

#BB2423 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.5% C 0.187 H 27.1°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#BB2423
RGB	rgb(187, 36, 35)
HSL	hsl(0, 68%, 44%)
HSV	hsv(0, 81%, 73%)
CMYK	cmyk(0%, 80.7%, 81.3%, 26.7%)
CIE-LAB	lab(41.14, 58.03, 39.71)
CIE-LCH	lch(41.14, 70.32, 34.38°)
OKLab	oklab(51.5% 0.1662 0.0851)
OKLCH	oklch(51.5% 0.187 27.1)
XYZ	xyz(21.4304, 11.9514, 2.7683)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB2423 #23BABB

analogous

#BB236E #BB2423 #BB7023

triadic

#BB2423 #23BB24 #2423BB

tetradic

#BB2423 #6EBB23 #23BABB #7023BB

square

#BB2423 #6EBB23 #23BABB #7023BB

split-complementary

#BB2423 #23BB70 #236EBB

monochromatic

#541010 #871A19 #BB2423 #DB4140 #E57474

Accessibility & contrast

On white

6.20

#BB2423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#BB2423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB2423

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB2423	#FFFFFF	#000000	##FFFFFF
##BB2423	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C21

Deuteranopia (green-blind)

#7A6D1B

Tritanopia (blue-blind)

#CE0026

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #bb2423;
/* rgb */ color: rgb(187, 36, 35);
/* oklch */ color: oklch(51.5% 0.187 27.1);

Tailwind

colors: {
  custom: {
    50: '#d96e5f',
    500: '#bb2423',
    950: '#000000',
  },
}

SCSS

$custom: #bb2423;
$custom-light: #d96e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb2423",
  "rgb": {
    "r": 187,
    "g": 36,
    "b": 35
  },
  "hsl": {
    "h": 0.395,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.515,
    "c": 0.18671,
    "h": 27.1
  },
  "luminance": 0.11948
}

Semantic roles & 50–950 ramp

primary

#BB2423

secondary

#6ECBCC

accent

#EAEB3C

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170804

muted

#857B79

Preview Lab

Preview with #BB2423

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

Preview Lab → · Contrast checker → · Palette generator →