#2E378B#2E378B

#2E378B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.138 H 273.3°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#2E378B
RGB	rgb(46, 55, 139)
HSL	hsl(234, 50%, 36%)
HSV	hsv(234, 67%, 55%)
CMYK	cmyk(66.9%, 60.4%, 0%, 45.5%)
CIE-LAB	lab(27.23, 24.74, -48.00)
CIE-LCH	lch(27.23, 54.00, 297.27°)
OKLab	oklab(38.25% 0.0079 -0.1382)
OKLCH	oklch(38.25% 0.138 273.3)
XYZ	xyz(7.1516, 5.1767, 25.0434)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E378B #8B822E

analogous

#2E668B #2E378B #542E8B

triadic

#2E378B #8B2E37 #378B2E

tetradic

#2E378B #8B2E66 #8B822E #2E8B54

square

#2E378B #8B2E66 #8B822E #2E8B54

split-complementary

#2E378B #8B542E #668B2E

monochromatic

#10132F #1F255D #2E378B #3D49B9 #6771CD

Accessibility & contrast

On white

10.32

#2E378B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2E378B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E378B

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E378B	#FFFFFF	#000000	##FFFFFF
##2E378B	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2e378b;
/* rgb */ color: rgb(46, 55, 139);
/* oklch */ color: oklch(38.2% 0.138 273.3);

Tailwind

colors: {
  custom: {
    50: '#726dae',
    500: '#2e378b',
    950: '#000000',
  },
}

SCSS

$custom: #2e378b;
$custom-light: #726dae;
$custom-dark: #000000;

JSON

{
  "hex": "#2e378b",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 139
  },
  "hsl": {
    "h": 234.194,
    "s": 50.27,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38246,
    "c": 0.13842,
    "h": 273.3
  },
  "luminance": 0.05177
}

Semantic roles & 50–950 ramp

primary

#2E378B

secondary

#B3AB61

accent

#CC4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2E378B

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

Preview Lab → · Contrast checker → · Palette generator →