#2240B3#2240B3

#2240B3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.185 H 266.7°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#2240B3
RGB	rgb(34, 64, 179)
HSL	hsl(228, 68%, 42%)
HSV	hsv(228, 81%, 70%)
CMYK	cmyk(81%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(32.39, 32.29, -63.84)
CIE-LCH	lch(32.39, 71.54, 296.83°)
OKLab	oklab(42.97% -0.0108 -0.1848)
OKLCH	oklch(42.97% 0.185 266.7)
XYZ	xyz(10.6269, 7.2603, 43.4804)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2240B3 #B39522

analogous

#2289B3 #2240B3 #4D22B3

triadic

#2240B3 #B32240 #40B322

tetradic

#2240B3 #B32289 #B39522 #22B34D

square

#2240B3 #B32289 #B39522 #22B34D

split-complementary

#2240B3 #B34D22 #89B322

monochromatic

#0E1B4C #182E80 #2240B3 #395AD9 #6C85E3

Accessibility & contrast

On white

8.56

#2240B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2240B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2240B3

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2240B3	#FFFFFF	#000000	##FFFFFF
##2240B3	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2240b3;
/* rgb */ color: rgb(34, 64, 179);
/* oklch */ color: oklch(43.0% 0.185 266.7);

Tailwind

colors: {
  custom: {
    50: '#7774cb',
    500: '#2240b3',
    950: '#000000',
  },
}

SCSS

$custom: #2240b3;
$custom-light: #7774cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2240b3",
  "rgb": {
    "r": 34,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 227.586,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42966,
    "c": 0.18514,
    "h": 266.7
  },
  "luminance": 0.07262
}

Semantic roles & 50–950 ramp

primary

#2240B3

secondary

#C9B568

accent

#C73DEB

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2240B3

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

Preview Lab → · Contrast checker → · Palette generator →