#2240A9#2240A9

#2240A9 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.172 H 266.4°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2240A9
RGB	rgb(34, 64, 169)
HSL	hsl(227, 67%, 40%)
HSV	hsv(227, 80%, 66%)
CMYK	cmyk(79.9%, 62.1%, 0%, 33.7%)
CIE-LAB	lab(31.51, 28.49, -59.32)
CIE-LCH	lch(31.51, 65.81, 295.65°)
OKLab	oklab(42.04% -0.0107 -0.1716)
OKLCH	oklch(42.04% 0.172 266.4)
XYZ	xyz(9.6520, 6.8703, 38.3458)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2240A9 #A98B22

analogous

#2283A9 #2240A9 #4822A9

triadic

#2240A9 #A92240 #40A922

tetradic

#2240A9 #A92283 #A98B22 #22A948

square

#2240A9 #A92283 #A98B22 #22A948

split-complementary

#2240A9 #A94822 #83A922

monochromatic

#0D1943 #182D76 #2240A9 #3257D6 #6581E0

Accessibility & contrast

On white

8.85

#2240A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2240A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2240A9

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2240A9	#FFFFFF	#000000	##FFFFFF
##2240A9	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AC

Deuteranopia (green-blind)

#0044A7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2240a9;
/* rgb */ color: rgb(34, 64, 169);
/* oklch */ color: oklch(42.0% 0.172 266.4);

Tailwind

colors: {
  custom: {
    50: '#7474c3',
    500: '#2240a9',
    950: '#000000',
  },
}

SCSS

$custom: #2240a9;
$custom-light: #7474c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2240a9",
  "rgb": {
    "r": 34,
    "g": 64,
    "b": 169
  },
  "hsl": {
    "h": 226.667,
    "s": 66.502,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42041,
    "c": 0.17191,
    "h": 266.4
  },
  "luminance": 0.06871
}

Semantic roles & 50–950 ramp

primary

#2240A9

secondary

#C5AF61

accent

#C33EE9

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2240A9

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

Preview Lab → · Contrast checker → · Palette generator →