#2340A4#2340A4

#2340A4 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.165 H 266.6°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#2340A4
RGB	rgb(35, 64, 164)
HSL	hsl(227, 65%, 39%)
HSV	hsv(227, 79%, 64%)
CMYK	cmyk(78.7%, 61%, 0%, 35.7%)
CIE-LAB	lab(31.12, 26.67, -56.95)
CIE-LCH	lch(31.12, 62.89, 295.09°)
OKLab	oklab(41.63% -0.0099 -0.1646)
OKLCH	oklch(41.63% 0.165 266.6)
XYZ	xyz(9.2250, 6.7034, 35.9225)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2340A4 #A48723

analogous

#2381A4 #2340A4 #4723A4

triadic

#2340A4 #A42340 #40A423

tetradic

#2340A4 #A42381 #A48723 #23A447

square

#2340A4 #A42381 #A48723 #23A447

split-complementary

#2340A4 #A44723 #81A423

monochromatic

#0D193F #182C72 #2340A4 #3156D3 #647FDE

Accessibility & contrast

On white

8.97

#2340A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2340A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2340A4

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2340A4	#FFFFFF	#000000	##FFFFFF
##2340A4	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#005A6B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2340a4;
/* rgb */ color: rgb(35, 64, 164);
/* oklch */ color: oklch(41.6% 0.165 266.6);

Tailwind

colors: {
  custom: {
    50: '#7374c0',
    500: '#2340a4',
    950: '#000000',
  },
}

SCSS

$custom: #2340a4;
$custom-light: #7374c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2340a4",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 226.512,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41631,
    "c": 0.16491,
    "h": 266.6
  },
  "luminance": 0.06704
}

Semantic roles & 50–950 ramp

primary

#2340A4

secondary

#C3AD60

accent

#C240E8

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2340A4

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

Preview Lab → · Contrast checker → · Palette generator →