#2440A2#2440A2

#2440A2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.162 H 266.8°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#2440A2
RGB	rgb(36, 64, 162)
HSL	hsl(227, 64%, 39%)
HSV	hsv(227, 78%, 64%)
CMYK	cmyk(77.8%, 60.5%, 0%, 36.5%)
CIE-LAB	lab(31.00, 26.01, -55.95)
CIE-LCH	lch(31.00, 61.70, 294.93°)
OKLab	oklab(41.5% -0.0091 -0.1617)
OKLCH	oklch(41.5% 0.162 266.8)
XYZ	xyz(9.0803, 6.6495, 34.9803)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2440A2 #A28624

analogous

#247FA2 #2440A2 #4724A2

triadic

#2440A2 #A22440 #40A224

tetradic

#2440A2 #A2247F #A28624 #24A247

square

#2440A2 #A2247F #A28624 #24A247

split-complementary

#2440A2 #A24724 #7FA224

monochromatic

#0E183E #192C70 #2440A2 #3255D1 #647FDD

Accessibility & contrast

On white

9.01

#2440A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2440A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2440A2

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2440A2	#FFFFFF	#000000	##FFFFFF
##2440A2	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0043A0

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2440a2;
/* rgb */ color: rgb(36, 64, 162);
/* oklch */ color: oklch(41.5% 0.162 266.8);

Tailwind

colors: {
  custom: {
    50: '#7374be',
    500: '#2440a2',
    950: '#000000',
  },
}

SCSS

$custom: #2440a2;
$custom-light: #7374be;
$custom-dark: #000000;

JSON

{
  "hex": "#2440a2",
  "rgb": {
    "r": 36,
    "g": 64,
    "b": 162
  },
  "hsl": {
    "h": 226.667,
    "s": 63.636,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41496,
    "c": 0.16192,
    "h": 266.8
  },
  "luminance": 0.0665
}

Semantic roles & 50–950 ramp

primary

#2440A2

secondary

#C2AC60

accent

#C241E7

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2440A2

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

Preview Lab → · Contrast checker → · Palette generator →