#2E40A6#2E40A6

#2E40A6 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.165 H 270.1°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#2E40A6
RGB	rgb(46, 64, 166)
HSL	hsl(231, 57%, 42%)
HSV	hsv(231, 72%, 65%)
CMYK	cmyk(72.3%, 61.4%, 0%, 34.9%)
CIE-LAB	lab(31.81, 28.72, -57.02)
CIE-LCH	lch(31.81, 63.84, 296.74°)
OKLab	oklab(42.33% 0.0003 -0.1646)
OKLCH	oklch(42.33% 0.165 270.1)
XYZ	xyz(9.8407, 6.9998, 36.9015)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40A6 #A6942E

analogous

#2E7CA6 #2E40A6 #582EA6

triadic

#2E40A6 #A62E40 #40A62E

tetradic

#2E40A6 #A62E7C #A6942E #2EA658

square

#2E40A6 #A62E7C #A6942E #2EA658

split-complementary

#2E40A6 #A6582E #7CA62E

monochromatic

#131B46 #212E76 #2E40A6 #465ACC #7684D9

Accessibility & contrast

On white

8.75

#2E40A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2E40A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40A6

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40A6	#FFFFFF	#000000	##FFFFFF
##2E40A6	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2e40a6;
/* rgb */ color: rgb(46, 64, 166);
/* oklch */ color: oklch(42.3% 0.165 270.1);

Tailwind

colors: {
  custom: {
    50: '#7874c1',
    500: '#2e40a6',
    950: '#000000',
  },
}

SCSS

$custom: #2e40a6;
$custom-light: #7874c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40a6",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 166
  },
  "hsl": {
    "h": 231,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42333,
    "c": 0.16457,
    "h": 270.1
  },
  "luminance": 0.07001
}

Semantic roles & 50–950 ramp

primary

#2E40A6

secondary

#C1B46F

accent

#C948E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2E40A6

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

Preview Lab → · Contrast checker → · Palette generator →