#2E40B8#2E40B8

#2E40B8 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.189 H 269.9°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B8
RGB	rgb(46, 64, 184)
HSL	hsl(232, 60%, 45%)
HSV	hsv(232, 75%, 72%)
CMYK	cmyk(75%, 65.2%, 0%, 27.8%)
CIE-LAB	lab(33.37, 35.30, -65.19)
CIE-LCH	lch(33.37, 74.13, 298.43°)
OKLab	oklab(43.96% -0.0004 -0.1885)
OKLCH	oklch(43.96% 0.189 269.9)
XYZ	xyz(11.6089, 7.7071, 46.2139)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B8 #B8A62E

analogous

#2E85B8 #2E40B8 #612EB8

triadic

#2E40B8 #B82E40 #40B82E

tetradic

#2E40B8 #B82E85 #B8A62E #2EB861

square

#2E40B8 #B82E85 #B8A62E #2EB861

split-complementary

#2E40B8 #B8612E #85B82E

monochromatic

#161E56 #222F87 #2E40B8 #5061D3 #818DDF

Accessibility & contrast

On white

8.26

#2E40B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2E40B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B8

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B8	#FFFFFF	#000000	##FFFFFF
##2E40B8	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2e40b8;
/* rgb */ color: rgb(46, 64, 184);
/* oklch */ color: oklch(44.0% 0.189 269.9);

Tailwind

colors: {
  custom: {
    50: '#7c75ce',
    500: '#2e40b8',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b8;
$custom-light: #7c75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b8",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 184
  },
  "hsl": {
    "h": 232.174,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43963,
    "c": 0.18853,
    "h": 269.9
  },
  "luminance": 0.07708
}

Semantic roles & 50–950 ramp

primary

#2E40B8

secondary

#C8BE79

accent

#CE45E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2E40B8

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

Preview Lab → · Contrast checker → · Palette generator →