#2E51B8#2E51B8

#2E51B8 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.2% C 0.168 H 265.9°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#2E51B8
RGB	rgb(46, 81, 184)
HSL	hsl(225, 60%, 45%)
HSV	hsv(225, 75%, 72%)
CMYK	cmyk(75%, 56%, 0%, 27.8%)
CIE-LAB	lab(37.71, 24.24, -58.10)
CIE-LCH	lch(37.71, 62.96, 292.64°)
OKLab	oklab(47.19% -0.012 -0.1675)
OKLCH	oklch(47.19% 0.168 265.9)
XYZ	xyz(12.7178, 9.9250, 46.5836)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51B8 #B8952E

analogous

#2E96B8 #2E51B8 #502EB8

triadic

#2E51B8 #B82E51 #51B82E

tetradic

#2E51B8 #B82E96 #B8952E #2EB850

square

#2E51B8 #B82E96 #B8952E #2EB850

split-complementary

#2E51B8 #B8502E #96B82E

monochromatic

#162656 #223B87 #2E51B8 #5071D3 #8199DF

Accessibility & contrast

On white

7.03

#2E51B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2E51B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E51B8

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51B8	#FFFFFF	#000000	##FFFFFF
##2E51B8	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBC

Deuteranopia (green-blind)

#0053B6

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2e51b8;
/* rgb */ color: rgb(46, 81, 184);
/* oklch */ color: oklch(47.2% 0.168 265.9);

Tailwind

colors: {
  custom: {
    50: '#7b81ce',
    500: '#2e51b8',
    950: '#000000',
  },
}

SCSS

$custom: #2e51b8;
$custom-light: #7b81ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51b8",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 184
  },
  "hsl": {
    "h": 224.783,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47189,
    "c": 0.16796,
    "h": 265.9
  },
  "luminance": 0.09926
}

Semantic roles & 50–950 ramp

primary

#2E51B8

secondary

#C8B479

accent

#BB45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2E51B8

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

Preview Lab → · Contrast checker → · Palette generator →