#2E40B7#2E40B7

#2E40B7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.187 H 269.9°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B7
RGB	rgb(46, 64, 183)
HSL	hsl(232, 60%, 45%)
HSV	hsv(232, 75%, 72%)
CMYK	cmyk(74.9%, 65%, 0%, 28.2%)
CIE-LAB	lab(33.28, 34.94, -64.75)
CIE-LCH	lch(33.28, 73.57, 298.35°)
OKLab	oklab(43.87% -0.0003 -0.1872)
OKLCH	oklch(43.87% 0.187 269.9)
XYZ	xyz(11.5044, 7.6653, 45.6638)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B7 #B7A52E

analogous

#2E84B7 #2E40B7 #612EB7

triadic

#2E40B7 #B72E40 #40B72E

tetradic

#2E40B7 #B72E84 #B7A52E #2EB761

square

#2E40B7 #B72E84 #B7A52E #2EB761

split-complementary

#2E40B7 #B7612E #84B72E

monochromatic

#151E55 #222F86 #2E40B7 #4F61D3 #808DDF

Accessibility & contrast

On white

8.29

#2E40B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2E40B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B7

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B7	#FFFFFF	#000000	##FFFFFF
##2E40B7	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BB

Deuteranopia (green-blind)

#0048B5

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2e40b7;
/* rgb */ color: rgb(46, 64, 183);
/* oklch */ color: oklch(43.9% 0.187 269.9);

Tailwind

colors: {
  custom: {
    50: '#7c75ce',
    500: '#2e40b7',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b7;
$custom-light: #7c75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b7",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 183
  },
  "hsl": {
    "h": 232.117,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4387,
    "c": 0.18723,
    "h": 269.9
  },
  "luminance": 0.07667
}

Semantic roles & 50–950 ramp

primary

#2E40B7

secondary

#C8BE79

accent

#CE45E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2E40B7

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

Preview Lab → · Contrast checker → · Palette generator →