#2428BD#2428BD

#2428BD is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.222 H 269.8°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#2428BD
RGB	rgb(36, 40, 189)
HSL	hsl(238, 68%, 44%)
HSV	hsv(238, 81%, 74%)
CMYK	cmyk(81%, 78.8%, 0%, 25.9%)
CIE-LAB	lab(28.29, 50.29, -76.54)
CIE-LCH	lch(28.29, 91.58, 303.31°)
OKLab	oklab(40.34% -0.0008 -0.2217)
OKLCH	oklch(40.34% 0.222 269.8)
XYZ	xyz(10.6685, 5.5655, 48.6462)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428BD #BDB924

analogous

#2475BD #2428BD #6C24BD

triadic

#2428BD #BD2428 #28BD24

tetradic

#2428BD #BD2475 #BDB924 #24BD6C

square

#2428BD #BD2475 #BDB924 #24BD6C

split-complementary

#2428BD #BD6C24 #75BD24

monochromatic

#101256 #1A1D8A #2428BD #4347DB #7679E5

Accessibility & contrast

On white

9.94

#2428BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2428BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428BD

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428BD	#FFFFFF	#000000	##FFFFFF
##2428BD	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2428bd;
/* rgb */ color: rgb(36, 40, 189);
/* oklch */ color: oklch(40.3% 0.222 269.8);

Tailwind

colors: {
  custom: {
    50: '#7c65d2',
    500: '#2428bd',
    950: '#000000',
  },
}

SCSS

$custom: #2428bd;
$custom-light: #7c65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2428bd",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 189
  },
  "hsl": {
    "h": 238.431,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.40338,
    "c": 0.22166,
    "h": 269.8
  },
  "luminance": 0.05567
}

Semantic roles & 50–950 ramp

primary

#2428BD

secondary

#CCCA70

accent

#E63DEB

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2428BD

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

Preview Lab → · Contrast checker → · Palette generator →