#2440AF#2440AF

#2440AF is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.179 H 267.1°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#2440AF
RGB	rgb(36, 64, 175)
HSL	hsl(228, 66%, 41%)
HSV	hsv(228, 79%, 69%)
CMYK	cmyk(79.4%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(32.11, 30.96, -61.92)
CIE-LCH	lch(32.11, 69.23, 296.57°)
OKLab	oklab(42.67% -0.0091 -0.1791)
OKLCH	oklch(42.67% 0.179 267.1)
XYZ	xyz(10.2961, 7.1358, 41.3838)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2440AF #AF9324

analogous

#2486AF #2440AF #4E24AF

triadic

#2440AF #AF2440 #40AF24

tetradic

#2440AF #AF2486 #AF9324 #24AF4E

square

#2440AF #AF2486 #AF9324 #24AF4E

split-complementary

#2440AF #AF4E24 #86AF24

monochromatic

#0F1B49 #1A2D7C #2440AF #3A59D6 #6D84E1

Accessibility & contrast

On white

8.65

#2440AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2440AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2440AF

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2440AF	#FFFFFF	#000000	##FFFFFF
##2440AF	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B3

Deuteranopia (green-blind)

#0045AD

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2440af;
/* rgb */ color: rgb(36, 64, 175);
/* oklch */ color: oklch(42.7% 0.179 267.1);

Tailwind

colors: {
  custom: {
    50: '#7674c8',
    500: '#2440af',
    950: '#000000',
  },
}

SCSS

$custom: #2440af;
$custom-light: #7674c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2440af",
  "rgb": {
    "r": 36,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 227.914,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42673,
    "c": 0.17938,
    "h": 267.1
  },
  "luminance": 0.07137
}

Semantic roles & 50–950 ramp

primary

#2440AF

secondary

#C7B468

accent

#C73FE9

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2440AF

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

Preview Lab → · Contrast checker → · Palette generator →