#2424B1#2424B1

#2424B1 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.5% C 0.211 H 270.7°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2424B1
RGB	rgb(36, 36, 177)
HSL	hsl(240, 66%, 42%)
HSV	hsv(240, 80%, 69%)
CMYK	cmyk(79.7%, 79.7%, 0%, 30.6%)
CIE-LAB	lab(26.19, 48.49, -72.88)
CIE-LCH	lch(26.19, 87.54, 303.64°)
OKLab	oklab(38.46% 0.0026 -0.211)
OKLCH	oklch(38.46% 0.211 270.7)
XYZ	xyz(9.2916, 4.8101, 42.0252)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2424B1 #B1B124

analogous

#246BB1 #2424B1 #6B24B1

triadic

#2424B1 #B12424 #24B124

tetradic

#2424B1 #B1246B #B1B124 #24B16B

square

#2424B1 #B1246B #B1B124 #24B16B

split-complementary

#2424B1 #B16B24 #6BB124

monochromatic

#0F0F4B #1A1A7E #2424B1 #3B3BD7 #6E6EE1

Accessibility & contrast

On white

10.70

#2424B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2424B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2424B1

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2424B1	#FFFFFF	#000000	##FFFFFF
##2424B1	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B5

Deuteranopia (green-blind)

#0037AF

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2424b1;
/* rgb */ color: rgb(36, 36, 177);
/* oklch */ color: oklch(38.5% 0.211 270.7);

Tailwind

colors: {
  custom: {
    50: '#7962ca',
    500: '#2424b1',
    950: '#000000',
  },
}

SCSS

$custom: #2424b1;
$custom-light: #7962ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2424b1",
  "rgb": {
    "r": 36,
    "g": 36,
    "b": 177
  },
  "hsl": {
    "h": 240,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.38464,
    "c": 0.21104,
    "h": 270.7
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#2424B1

secondary

#C8C869

accent

#E93FE9

background

#F8F5FC

surface

#EFEAF9

border

#CAC6D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2424B1

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

Preview Lab → · Contrast checker → · Palette generator →