#2440AE#2440AE

#2440AE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.178 H 267.1°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#2440AE
RGB	rgb(36, 64, 174)
HSL	hsl(228, 66%, 41%)
HSV	hsv(228, 79%, 68%)
CMYK	cmyk(79.3%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(32.03, 30.58, -61.47)
CIE-LCH	lch(32.03, 68.65, 296.45°)
OKLab	oklab(42.58% -0.0091 -0.1778)
OKLCH	oklch(42.58% 0.178 267.1)
XYZ	xyz(10.1983, 7.0967, 40.8685)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2440AE #AE9224

analogous

#2485AE #2440AE #4D24AE

triadic

#2440AE #AE2440 #40AE24

tetradic

#2440AE #AE2485 #AE9224 #24AE4D

square

#2440AE #AE2485 #AE9224 #24AE4D

split-complementary

#2440AE #AE4D24 #85AE24

monochromatic

#0F1B49 #1A2D7B #2440AE #3959D6 #6C84E1

Accessibility & contrast

On white

8.68

#2440AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2440AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2440AE

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2440AE	#FFFFFF	#000000	##FFFFFF
##2440AE	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0045AC

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2440ae;
/* rgb */ color: rgb(36, 64, 174);
/* oklch */ color: oklch(42.6% 0.178 267.1);

Tailwind

colors: {
  custom: {
    50: '#7674c7',
    500: '#2440ae',
    950: '#000000',
  },
}

SCSS

$custom: #2440ae;
$custom-light: #7674c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2440ae",
  "rgb": {
    "r": 36,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 227.826,
    "s": 65.714,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4258,
    "c": 0.17805,
    "h": 267.1
  },
  "luminance": 0.07098
}

Semantic roles & 50–950 ramp

primary

#2440AE

secondary

#C7B367

accent

#C63FE9

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2440AE

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

Preview Lab → · Contrast checker → · Palette generator →