#2423B2#2423B2

#2423B2 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.5% C 0.213 H 270.7°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2423B2
RGB	rgb(36, 35, 178)
HSL	hsl(240, 67%, 42%)
HSV	hsv(240, 80%, 70%)
CMYK	cmyk(79.8%, 80.3%, 0%, 30.2%)
CIE-LAB	lab(26.13, 49.32, -73.58)
CIE-LCH	lch(26.13, 88.58, 303.83°)
OKLab	oklab(38.46% 0.0027 -0.213)
OKLCH	oklch(38.46% 0.213 270.7)
XYZ	xyz(9.3617, 4.7904, 42.5421)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2423B2 #B1B223

analogous

#2369B2 #2423B2 #6C23B2

triadic

#2423B2 #B22423 #23B224

tetradic

#2423B2 #B22369 #B1B223 #23B26C

square

#2423B2 #B22369 #B1B223 #23B26C

split-complementary

#2423B2 #B26C23 #69B223

monochromatic

#0F0F4C #1A197F #2423B2 #3B3AD8 #6E6DE2

Accessibility & contrast

On white

10.72

#2423B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2423B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2423B2

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2423B2	#FFFFFF	#000000	##FFFFFF
##2423B2	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B6

Deuteranopia (green-blind)

#0036B0

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2423b2;
/* rgb */ color: rgb(36, 35, 178);
/* oklch */ color: oklch(38.5% 0.213 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a61ca',
    500: '#2423b2',
    950: '#000000',
  },
}

SCSS

$custom: #2423b2;
$custom-light: #7a61ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2423b2",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 178
  },
  "hsl": {
    "h": 240.42,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.38457,
    "c": 0.21303,
    "h": 270.7
  },
  "luminance": 0.04791
}

Semantic roles & 50–950 ramp

primary

#2423B2

secondary

#C8C968

accent

#EA3EE9

background

#F8F5FC

surface

#EFEAF9

border

#CAC6D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2423B2

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

Preview Lab → · Contrast checker → · Palette generator →