#2423B0#2423B0

#2423B0 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.2% C 0.211 H 270.8°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#2423B0
RGB	rgb(36, 35, 176)
HSL	hsl(240, 67%, 41%)
HSV	hsv(240, 80%, 69%)
CMYK	cmyk(79.5%, 80.1%, 0%, 31%)
CIE-LAB	lab(25.89, 48.68, -72.77)
CIE-LCH	lch(25.89, 87.55, 303.78°)
OKLab	oklab(38.22% 0.0031 -0.2107)
OKLCH	oklch(38.22% 0.211 270.8)
XYZ	xyz(9.1624, 4.7107, 41.4922)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423B0 #AFB023

analogous

#2369B0 #2423B0 #6B23B0

triadic

#2423B0 #B02423 #23B024

tetradic

#2423B0 #B02369 #AFB023 #23B06B

square

#2423B0 #B02369 #AFB023 #23B06B

split-complementary

#2423B0 #B06B23 #69B023

monochromatic

#0F0F4A #1A197D #2423B0 #3A39D8 #6D6CE2

Accessibility & contrast

On white

10.81

#2423B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2423B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423B0

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423B0	#FFFFFF	#000000	##FFFFFF
##2423B0	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B4

Deuteranopia (green-blind)

#0036AE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2423b0;
/* rgb */ color: rgb(36, 35, 176);
/* oklch */ color: oklch(38.2% 0.211 270.8);

Tailwind

colors: {
  custom: {
    50: '#7961c9',
    500: '#2423b0',
    950: '#000000',
  },
}

SCSS

$custom: #2423b0;
$custom-light: #7961c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2423b0",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 240.426,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38225,
    "c": 0.2107,
    "h": 270.8
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary

#2423B0

secondary

#C7C867

accent

#EA3EE9

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2423B0

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

Preview Lab → · Contrast checker → · Palette generator →