#2E40AB#2E40AB

#2E40AB is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.171 H 270.1°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#2E40AB
RGB	rgb(46, 64, 171)
HSL	hsl(231, 58%, 43%)
HSV	hsv(231, 73%, 67%)
CMYK	cmyk(73.1%, 62.6%, 0%, 32.9%)
CIE-LAB	lab(32.23, 30.56, -59.32)
CIE-LCH	lch(32.23, 66.73, 297.26°)
OKLab	oklab(42.78% 0.0002 -0.1713)
OKLCH	oklch(42.78% 0.171 270.1)
XYZ	xyz(10.3083, 7.1868, 39.3641)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40AB #AB992E

analogous

#2E7FAB #2E40AB #5A2EAB

triadic

#2E40AB #AB2E40 #40AB2E

tetradic

#2E40AB #AB2E7F #AB992E #2EAB5A

square

#2E40AB #AB2E7F #AB992E #2EAB5A

split-complementary

#2E40AB #AB5A2E #7FAB2E

monochromatic

#141C4B #212E7B #2E40AB #485CCE #7987DB

Accessibility & contrast

On white

8.62

#2E40AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2E40AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40AB

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40AB	#FFFFFF	#000000	##FFFFFF
##2E40AB	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2e40ab;
/* rgb */ color: rgb(46, 64, 171);
/* oklch */ color: oklch(42.8% 0.171 270.1);

Tailwind

colors: {
  custom: {
    50: '#7974c5',
    500: '#2e40ab',
    950: '#000000',
  },
}

SCSS

$custom: #2e40ab;
$custom-light: #7974c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40ab",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 171
  },
  "hsl": {
    "h": 231.36,
    "s": 57.604,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42777,
    "c": 0.17134,
    "h": 270.1
  },
  "luminance": 0.07188
}

Semantic roles & 50–950 ramp

primary

#2E40AB

secondary

#C3B772

accent

#CB47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2E40AB

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

Preview Lab → · Contrast checker → · Palette generator →