#2E51B6#2E51B6

#2E51B6 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.165 H 265.8°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#2E51B6
RGB	rgb(46, 81, 182)
HSL	hsl(225, 60%, 45%)
HSV	hsv(225, 75%, 71%)
CMYK	cmyk(74.7%, 55.5%, 0%, 28.6%)
CIE-LAB	lab(37.56, 23.49, -57.17)
CIE-LCH	lch(37.56, 61.81, 292.33°)
OKLab	oklab(47.03% -0.0121 -0.1648)
OKLCH	oklch(47.03% 0.165 265.8)
XYZ	xyz(12.5097, 9.8417, 45.4873)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51B6 #B6932E

analogous

#2E95B6 #2E51B6 #4F2EB6

triadic

#2E51B6 #B62E51 #51B62E

tetradic

#2E51B6 #B62E95 #B6932E #2EB64F

square

#2E51B6 #B62E95 #B6932E #2EB64F

split-complementary

#2E51B6 #B64F2E #95B62E

monochromatic

#152654 #223B85 #2E51B6 #4F71D2 #8098DF

Accessibility & contrast

On white

7.07

#2E51B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2E51B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E51B6

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51B6	#FFFFFF	#000000	##FFFFFF
##2E51B6	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB9

Deuteranopia (green-blind)

#0052B4

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2e51b6;
/* rgb */ color: rgb(46, 81, 182);
/* oklch */ color: oklch(47.0% 0.165 265.8);

Tailwind

colors: {
  custom: {
    50: '#7a81cd',
    500: '#2e51b6',
    950: '#000000',
  },
}

SCSS

$custom: #2e51b6;
$custom-light: #7a81cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51b6",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 182
  },
  "hsl": {
    "h": 224.559,
    "s": 59.649,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47028,
    "c": 0.16524,
    "h": 265.8
  },
  "luminance": 0.09843
}

Semantic roles & 50–950 ramp

primary

#2E51B6

secondary

#C8B378

accent

#BA45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2E51B6

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

Preview Lab → · Contrast checker → · Palette generator →