#2423BB#2423BB

#2423BB is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.223 H 270.2°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#2423BB
RGB	rgb(36, 35, 187)
HSL	hsl(240, 68%, 44%)
HSV	hsv(240, 81%, 73%)
CMYK	cmyk(80.7%, 81.3%, 0%, 26.7%)
CIE-LAB	lab(27.20, 52.15, -77.16)
CIE-LCH	lch(27.20, 93.13, 304.05°)
OKLab	oklab(39.51% 0.0008 -0.2234)
OKLCH	oklch(39.51% 0.223 270.2)
XYZ	xyz(10.2952, 5.1638, 47.4582)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423BB #BABB23

analogous

#236EBB #2423BB #7023BB

triadic

#2423BB #BB2423 #23BB24

tetradic

#2423BB #BB236E #BABB23 #23BB70

square

#2423BB #BB236E #BABB23 #23BB70

split-complementary

#2423BB #BB7023 #6EBB23

monochromatic

#101054 #1A1987 #2423BB #4140DB #7474E5

Accessibility & contrast

On white

10.33

#2423BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2423BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423BB

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423BB	#FFFFFF	#000000	##FFFFFF
##2423BB	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#0038B8

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2423bb;
/* rgb */ color: rgb(36, 35, 187);
/* oklch */ color: oklch(39.5% 0.223 270.2);

Tailwind

colors: {
  custom: {
    50: '#7c62d1',
    500: '#2423bb',
    950: '#000000',
  },
}

SCSS

$custom: #2423bb;
$custom-light: #7c62d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2423bb",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 187
  },
  "hsl": {
    "h": 240.395,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39508,
    "c": 0.2234,
    "h": 270.2
  },
  "luminance": 0.05165
}

Semantic roles & 50–950 ramp

primary

#2423BB

secondary

#CBCC6E

accent

#EB3CEA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2423BB

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

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