#2423A4#2423A4

#2423A4 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.196 H 271.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#2423A4
RGB	rgb(36, 35, 164)
HSL	hsl(240, 65%, 39%)
HSV	hsv(240, 79%, 64%)
CMYK	cmyk(78%, 78.7%, 0%, 35.7%)
CIE-LAB	lab(24.50, 44.79, -67.84)
CIE-LCH	lch(24.50, 81.29, 303.44°)
OKLab	oklab(36.85% 0.0056 -0.1964)
OKLCH	oklch(36.85% 0.196 271.6)
XYZ	xyz(8.0272, 4.2566, 35.5133)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423A4 #A3A423

analogous

#2363A4 #2423A4 #6523A4

triadic

#2423A4 #A42423 #23A424

tetradic

#2423A4 #A42363 #A3A423 #23A465

square

#2423A4 #A42363 #A3A423 #23A465

split-complementary

#2423A4 #A46523 #63A423

monochromatic

#0E0D3F #191872 #2423A4 #3231D3 #6564DE

Accessibility & contrast

On white

11.34

#2423A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2423A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423A4

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423A4	#FFFFFF	#000000	##FFFFFF
##2423A4	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A8

Deuteranopia (green-blind)

#0034A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2423a4;
/* rgb */ color: rgb(36, 35, 164);
/* oklch */ color: oklch(36.8% 0.196 271.6);

Tailwind

colors: {
  custom: {
    50: '#7660c0',
    500: '#2423a4',
    950: '#000000',
  },
}

SCSS

$custom: #2423a4;
$custom-light: #7660c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2423a4",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 164
  },
  "hsl": {
    "h": 240.465,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36846,
    "c": 0.19647,
    "h": 271.6
  },
  "luminance": 0.04257
}

Semantic roles & 50–950 ramp

primary

#2423A4

secondary

#C2C360

accent

#E840E7

background

#F7F5FC

surface

#EEEAF8

border

#C9C6D1

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2423A4

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

Preview Lab → · Contrast checker → · Palette generator →