#2E40AC#2E40AC

#2E40AC is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.173 H 270.0°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2E40AC
RGB	rgb(46, 64, 172)
HSL	hsl(231, 58%, 43%)
HSV	hsv(231, 73%, 67%)
CMYK	cmyk(73.3%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.31, 30.93, -59.78)
CIE-LCH	lch(32.31, 67.31, 297.36°)
OKLab	oklab(42.87% 0.0001 -0.1727)
OKLCH	oklch(42.87% 0.173 270)
XYZ	xyz(10.4040, 7.2251, 39.8680)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40AC #AC9A2E

analogous

#2E7FAC #2E40AC #5B2EAC

triadic

#2E40AC #AC2E40 #40AC2E

tetradic

#2E40AC #AC2E7F #AC9A2E #2EAC5B

square

#2E40AC #AC2E7F #AC9A2E #2EAC5B

split-complementary

#2E40AC #AC5B2E #7FAC2E

monochromatic

#141C4B #212E7C #2E40AC #495CCE #7987DB

Accessibility & contrast

On white

8.59

#2E40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2E40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40AC

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40AC	#FFFFFF	#000000	##FFFFFF
##2E40AC	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2e40ac;
/* rgb */ color: rgb(46, 64, 172);
/* oklch */ color: oklch(42.9% 0.173 270.0);

Tailwind

colors: {
  custom: {
    50: '#7974c6',
    500: '#2e40ac',
    950: '#000000',
  },
}

SCSS

$custom: #2e40ac;
$custom-light: #7974c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40ac",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 231.429,
    "s": 57.798,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42866,
    "c": 0.17269,
    "h": 270
  },
  "luminance": 0.07226
}

Semantic roles & 50–950 ramp

primary

#2E40AC

secondary

#C3B872

accent

#CB47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2E40AC

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

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