#2E51AA#2E51AA

#2E51AA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.1% C 0.149 H 264.9°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2E51AA
RGB	rgb(46, 81, 170)
HSL	hsl(223, 57%, 42%)
HSV	hsv(223, 73%, 67%)
CMYK	cmyk(72.9%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(36.68, 18.95, -51.49)
CIE-LCH	lch(36.68, 54.86, 290.20°)
OKLab	oklab(46.09% -0.0131 -0.1481)
OKLCH	oklch(46.09% 0.149 264.9)
XYZ	xyz(11.3223, 9.3668, 39.2337)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51AA #AA872E

analogous

#2E8FAA #2E51AA #492EAA

triadic

#2E51AA #AA2E51 #51AA2E

tetradic

#2E51AA #AA2E8F #AA872E #2EAA49

square

#2E51AA #AA2E8F #AA872E #2EAA49

split-complementary

#2E51AA #AA492E #8FAA2E

monochromatic

#14234A #213A7A #2E51AA #486DCD #7894DA

Accessibility & contrast

On white

7.31

#2E51AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2E51AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E51AA

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51AA	#FFFFFF	#000000	##FFFFFF
##2E51AA	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175CAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2e51aa;
/* rgb */ color: rgb(46, 81, 170);
/* oklch */ color: oklch(46.1% 0.149 264.9);

Tailwind

colors: {
  custom: {
    50: '#7781c4',
    500: '#2e51aa',
    950: '#000000',
  },
}

SCSS

$custom: #2e51aa;
$custom-light: #7781c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51aa",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 223.065,
    "s": 57.407,
    "l": 42.353
  },
  "oklch": {
    "l": 0.46088,
    "c": 0.14866,
    "h": 264.9
  },
  "luminance": 0.09368
}

Semantic roles & 50–950 ramp

primary

#2E51AA

secondary

#C3AC71

accent

#B547E1

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2E51AA

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

Preview Lab → · Contrast checker → · Palette generator →