#2240B4#2240B4

#2240B4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.186 H 266.7°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2240B4
RGB	rgb(34, 64, 180)
HSL	hsl(228, 68%, 42%)
HSV	hsv(228, 81%, 71%)
CMYK	cmyk(81.1%, 64.4%, 0%, 29.4%)
CIE-LAB	lab(32.48, 32.66, -64.29)
CIE-LCH	lch(32.48, 72.11, 296.93°)
OKLab	oklab(43.06% -0.0108 -0.1861)
OKLCH	oklch(43.06% 0.186 266.7)
XYZ	xyz(10.7284, 7.3009, 44.0149)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2240B4 #B49622

analogous

#2289B4 #2240B4 #4D22B4

triadic

#2240B4 #B42240 #40B422

tetradic

#2240B4 #B42289 #B49622 #22B44D

square

#2240B4 #B42289 #B49622 #22B44D

split-complementary

#2240B4 #B44D22 #89B422

monochromatic

#0F1B4D #182E81 #2240B4 #3A5ADA #6D85E3

Accessibility & contrast

On white

8.54

#2240B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2240B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2240B4

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2240B4	#FFFFFF	#000000	##FFFFFF
##2240B4	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2240b4;
/* rgb */ color: rgb(34, 64, 180);
/* oklch */ color: oklch(43.1% 0.186 266.7);

Tailwind

colors: {
  custom: {
    50: '#7774cb',
    500: '#2240b4',
    950: '#000000',
  },
}

SCSS

$custom: #2240b4;
$custom-light: #7774cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2240b4",
  "rgb": {
    "r": 34,
    "g": 64,
    "b": 180
  },
  "hsl": {
    "h": 227.671,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43059,
    "c": 0.18644,
    "h": 266.7
  },
  "luminance": 0.07302
}

Semantic roles & 50–950 ramp

primary

#2240B4

secondary

#CAB668

accent

#C73DEB

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2240B4

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

Preview Lab → · Contrast checker → · Palette generator →