#2E51D3#2E51D3

#2E51D3 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 49.5% C 0.204 H 266.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#2E51D3
RGB	rgb(46, 81, 211)
HSL	hsl(227, 65%, 50%)
HSV	hsv(227, 78%, 83%)
CMYK	cmyk(78.2%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(39.86, 34.28, -70.29)
CIE-LCH	lch(39.86, 78.20, 296.00°)
OKLab	oklab(49.47% -0.0113 -0.2033)
OKLCH	oklch(49.47% 0.204 266.8)
XYZ	xyz(15.8229, 11.1670, 62.9369)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51D3 #D3B02E

analogous

#2EA3D3 #2E51D3 #5E2ED3

triadic

#2E51D3 #D32E51 #51D32E

tetradic

#2E51D3 #D32EA3 #D3B02E #2ED35E

square

#2E51D3 #D32EA3 #D3B02E #2ED35E

split-complementary

#2E51D3 #D35E2E #A3D32E

monochromatic

#172A6F #223DA2 #2E51D3 #617BDE #93A5E8

Accessibility & contrast

On white

6.49

#2E51D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2E51D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E51D3

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51D3	#FFFFFF	#000000	##FFFFFF
##2E51D3	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D7

Deuteranopia (green-blind)

#0056D1

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2e51d3;
/* rgb */ color: rgb(46, 81, 211);
/* oklch */ color: oklch(49.5% 0.204 266.8);

Tailwind

colors: {
  custom: {
    50: '#8181e2',
    500: '#2e51d3',
    950: '#000000',
  },
}

SCSS

$custom: #2e51d3;
$custom-light: #8181e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51d3",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 227.273,
    "s": 65.217,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49468,
    "c": 0.20362,
    "h": 266.8
  },
  "luminance": 0.11169
}

Semantic roles & 50–950 ramp

primary

#2E51D3

secondary

#D3C48A

accent

#C440E8

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0C0A15

muted

#7D7C84

Preview Lab

Preview with #2E51D3

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

Preview Lab → · Contrast checker → · Palette generator →