#2423A9#2423A9

#2423A9 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.4% C 0.202 H 271.3°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#2423A9
RGB	rgb(36, 35, 169)
HSL	hsl(240, 66%, 40%)
HSV	hsv(240, 79%, 66%)
CMYK	cmyk(78.7%, 79.3%, 0%, 33.7%)
CIE-LAB	lab(25.08, 46.43, -69.91)
CIE-LCH	lch(25.08, 83.92, 303.59°)
OKLab	oklab(37.42% 0.0046 -0.2024)
OKLCH	oklch(37.42% 0.202 271.3)
XYZ	xyz(8.4876, 4.4408, 37.9383)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423A9 #A8A923

analogous

#2365A9 #2423A9 #6723A9

triadic

#2423A9 #A92423 #23A924

tetradic

#2423A9 #A92365 #A8A923 #23A967

square

#2423A9 #A92365 #A8A923 #23A967

split-complementary

#2423A9 #A96723 #65A923

monochromatic

#0E0E44 #191976 #2423A9 #3534D5 #6867DF

Accessibility & contrast

On white

11.12

#2423A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2423A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423A9

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423A9	#FFFFFF	#000000	##FFFFFF
##2423A9	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AD

Deuteranopia (green-blind)

#0035A7

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2423a9;
/* rgb */ color: rgb(36, 35, 169);
/* oklch */ color: oklch(37.4% 0.202 271.3);

Tailwind

colors: {
  custom: {
    50: '#7761c4',
    500: '#2423a9',
    950: '#000000',
  },
}

SCSS

$custom: #2423a9;
$custom-light: #7761c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2423a9",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 169
  },
  "hsl": {
    "h": 240.448,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.37418,
    "c": 0.20245,
    "h": 271.3
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#2423A9

secondary

#C4C563

accent

#E93FE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2423A9

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

Preview Lab → · Contrast checker → · Palette generator →