#2E40B2#2E40B2

#2E40B2 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.181 H 270.0°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B2
RGB	rgb(46, 64, 178)
HSL	hsl(232, 59%, 44%)
HSV	hsv(232, 74%, 70%)
CMYK	cmyk(74.2%, 64%, 0%, 30.2%)
CIE-LAB	lab(32.83, 33.12, -62.51)
CIE-LCH	lch(32.83, 70.74, 297.92°)
OKLab	oklab(43.41% -0.0001 -0.1807)
OKLCH	oklch(43.41% 0.181 270)
XYZ	xyz(10.9932, 7.4608, 42.9716)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B2 #B2A02E

analogous

#2E82B2 #2E40B2 #5E2EB2

triadic

#2E40B2 #B22E40 #40B22E

tetradic

#2E40B2 #B22E82 #B2A02E #2EB25E

square

#2E40B2 #B22E82 #B2A02E #2EB25E

split-complementary

#2E40B2 #B25E2E #82B22E

monochromatic

#151D51 #212F81 #2E40B2 #4C5ED1 #7D8ADD

Accessibility & contrast

On white

8.43

#2E40B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2E40B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B2

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B2	#FFFFFF	#000000	##FFFFFF
##2E40B2	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2e40b2;
/* rgb */ color: rgb(46, 64, 178);
/* oklch */ color: oklch(43.4% 0.181 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a74ca',
    500: '#2e40b2',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b2;
$custom-light: #7a74ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b2",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 231.818,
    "s": 58.929,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43409,
    "c": 0.18067,
    "h": 270
  },
  "luminance": 0.07462
}

Semantic roles & 50–950 ramp

primary

#2E40B2

secondary

#C6BB76

accent

#CD46E2

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2E40B2

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

Preview Lab → · Contrast checker → · Palette generator →