#2423AA#2423AA

#2423AA is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.5% C 0.204 H 271.2°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2423AA
RGB	rgb(36, 35, 170)
HSL	hsl(240, 66%, 40%)
HSV	hsv(240, 79%, 67%)
CMYK	cmyk(78.8%, 79.4%, 0%, 33.3%)
CIE-LAB	lab(25.19, 46.75, -70.32)
CIE-LCH	lch(25.19, 84.44, 303.62°)
OKLab	oklab(37.53% 0.0044 -0.2036)
OKLCH	oklch(37.53% 0.204 271.2)
XYZ	xyz(8.5818, 4.4785, 38.4346)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423AA #A9AA23

analogous

#2366AA #2423AA #6723AA

triadic

#2423AA #AA2423 #23AA24

tetradic

#2423AA #AA2366 #A9AA23 #23AA67

square

#2423AA #AA2366 #A9AA23 #23AA67

split-complementary

#2423AA #AA6723 #66AA23

monochromatic

#0F0E44 #191977 #2423AA #3635D5 #6868E0

Accessibility & contrast

On white

11.08

#2423AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2423AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423AA

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423AA	#FFFFFF	#000000	##FFFFFF
##2423AA	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AE

Deuteranopia (green-blind)

#0035A8

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2423aa;
/* rgb */ color: rgb(36, 35, 170);
/* oklch */ color: oklch(37.5% 0.204 271.2);

Tailwind

colors: {
  custom: {
    50: '#7861c5',
    500: '#2423aa',
    950: '#000000',
  },
}

SCSS

$custom: #2423aa;
$custom-light: #7861c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2423aa",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 170
  },
  "hsl": {
    "h": 240.444,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37533,
    "c": 0.20364,
    "h": 271.2
  },
  "luminance": 0.04479
}

Semantic roles & 50–950 ramp

primary

#2423AA

secondary

#C5C663

accent

#E93FE8

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2423AA

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

Preview Lab → · Contrast checker → · Palette generator →