#2E40A4#2E40A4

#2E40A4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.162 H 270.1°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#2E40A4
RGB	rgb(46, 64, 164)
HSL	hsl(231, 56%, 41%)
HSV	hsv(231, 72%, 64%)
CMYK	cmyk(72%, 61%, 0%, 35.7%)
CIE-LAB	lab(31.64, 27.98, -56.08)
CIE-LCH	lch(31.64, 62.68, 296.51°)
OKLab	oklab(42.16% 0.0003 -0.1618)
OKLCH	oklch(42.16% 0.162 270.1)
XYZ	xyz(9.6587, 6.9270, 35.9428)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40A4 #A4922E

analogous

#2E7BA4 #2E40A4 #572EA4

triadic

#2E40A4 #A42E40 #40A42E

tetradic

#2E40A4 #A42E7B #A4922E #2EA457

square

#2E40A4 #A42E7B #A4922E #2EA457

split-complementary

#2E40A4 #A4572E #7BA42E

monochromatic

#131B44 #212D74 #2E40A4 #4559CB #7484D8

Accessibility & contrast

On white

8.80

#2E40A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2E40A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40A4

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40A4	#FFFFFF	#000000	##FFFFFF
##2E40A4	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2e40a4;
/* rgb */ color: rgb(46, 64, 164);
/* oklch */ color: oklch(42.2% 0.162 270.1);

Tailwind

colors: {
  custom: {
    50: '#7774c0',
    500: '#2e40a4',
    950: '#000000',
  },
}

SCSS

$custom: #2e40a4;
$custom-light: #7774c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40a4",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 230.847,
    "s": 56.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42158,
    "c": 0.16184,
    "h": 270.1
  },
  "luminance": 0.06928
}

Semantic roles & 50–950 ramp

primary

#2E40A4

secondary

#C0B36E

accent

#C848DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2E40A4

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

Preview Lab → · Contrast checker → · Palette generator →