#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
RGBrgb(36, 35, 169)
HSLhsl(240, 66%, 40%)
HSVhsv(240, 79%, 66%)
CMYKcmyk(78.7%, 79.3%, 0%, 33.7%)
CIE-LABlab(25.08, 46.43, -69.91)
CIE-LCHlch(25.08, 83.92, 303.59°)
OKLaboklab(37.42% 0.0046 -0.2024)
OKLCHoklch(37.42% 0.202 271.3)
XYZxyz(8.4876, 4.4408, 37.9383)
Luminance0.0444 (WCAG relative)
Temperaturecool
Familyblue

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
##2423A91.0011.121.8911.12
#FFFFFF11.121.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.121.0021.001.00

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 →

#2423A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva