#2E40B4#2E40B4

#2E40B4 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.183 H 269.9°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B4
RGB	rgb(46, 64, 180)
HSL	hsl(232, 59%, 44%)
HSV	hsv(232, 74%, 71%)
CMYK	cmyk(74.4%, 64.4%, 0%, 29.4%)
CIE-LAB	lab(33.01, 33.85, -63.41)
CIE-LCH	lch(33.01, 71.87, 298.10°)
OKLab	oklab(43.59% -0.0002 -0.1833)
OKLCH	oklch(43.59% 0.183 269.9)
XYZ	xyz(11.1955, 7.5417, 44.0368)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B4 #B4A22E

analogous

#2E83B4 #2E40B4 #5F2EB4

triadic

#2E40B4 #B42E40 #40B42E

tetradic

#2E40B4 #B42E83 #B4A22E #2EB45F

square

#2E40B4 #B42E83 #B4A22E #2EB45F

split-complementary

#2E40B4 #B45F2E #83B42E

monochromatic

#151D53 #222F83 #2E40B4 #4E5FD2 #7E8BDE

Accessibility & contrast

On white

8.37

#2E40B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2E40B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B4

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B4	#FFFFFF	#000000	##FFFFFF
##2E40B4	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2e40b4;
/* rgb */ color: rgb(46, 64, 180);
/* oklch */ color: oklch(43.6% 0.183 269.9);

Tailwind

colors: {
  custom: {
    50: '#7b75cb',
    500: '#2e40b4',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b4;
$custom-light: #7b75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b4",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 180
  },
  "hsl": {
    "h": 231.94,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43593,
    "c": 0.1833,
    "h": 269.9
  },
  "luminance": 0.07543
}

Semantic roles & 50–950 ramp

primary

#2E40B4

secondary

#C7BC77

accent

#CD45E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2E40B4

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

Preview Lab → · Contrast checker → · Palette generator →