#2E40A3#2E40A3

#2E40A3 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.160 H 270.1°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#2E40A3
RGB	rgb(46, 64, 163)
HSL	hsl(231, 56%, 41%)
HSV	hsv(231, 72%, 64%)
CMYK	cmyk(71.8%, 60.7%, 0%, 36.1%)
CIE-LAB	lab(31.56, 27.61, -55.62)
CIE-LCH	lch(31.56, 62.09, 296.40°)
OKLab	oklab(42.07% 0.0003 -0.1605)
OKLCH	oklch(42.07% 0.16 270.1)
XYZ	xyz(9.5687, 6.8910, 35.4690)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40A3 #A3912E

analogous

#2E7AA3 #2E40A3 #562EA3

triadic

#2E40A3 #A32E40 #40A32E

tetradic

#2E40A3 #A32E7A #A3912E #2EA356

square

#2E40A3 #A32E7A #A3912E #2EA356

split-complementary

#2E40A3 #A3562E #7AA32E

monochromatic

#131B44 #212D73 #2E40A3 #4459CA #7483D8

Accessibility & contrast

On white

8.83

#2E40A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2E40A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40A3

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40A3	#FFFFFF	#000000	##FFFFFF
##2E40A3	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2e40a3;
/* rgb */ color: rgb(46, 64, 163);
/* oklch */ color: oklch(42.1% 0.160 270.1);

Tailwind

colors: {
  custom: {
    50: '#7774bf',
    500: '#2e40a3',
    950: '#000000',
  },
}

SCSS

$custom: #2e40a3;
$custom-light: #7774bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40a3",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 163
  },
  "hsl": {
    "h": 230.769,
    "s": 55.981,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42071,
    "c": 0.16047,
    "h": 270.1
  },
  "luminance": 0.06892
}

Semantic roles & 50–950 ramp

primary

#2E40A3

secondary

#BFB36D

accent

#C849DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2E40A3

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

Preview Lab → · Contrast checker → · Palette generator →