#2E51BA#2E51BA

#2E51BA is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.171 H 266.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#2E51BA
RGB	rgb(46, 81, 186)
HSL	hsl(225, 60%, 45%)
HSV	hsv(225, 75%, 73%)
CMYK	cmyk(75.3%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(37.86, 24.99, -59.03)
CIE-LCH	lch(37.86, 64.10, 292.95°)
OKLab	oklab(47.35% -0.0119 -0.1703)
OKLCH	oklch(47.35% 0.171 266)
XYZ	xyz(12.9290, 10.0095, 47.6955)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51BA #BA972E

analogous

#2E97BA #2E51BA #512EBA

triadic

#2E51BA #BA2E51 #51BA2E

tetradic

#2E51BA #BA2E97 #BA972E #2EBA51

square

#2E51BA #BA2E97 #BA972E #2EBA51

split-complementary

#2E51BA #BA512E #97BA2E

monochromatic

#162658 #223C89 #2E51BA #5172D4 #829AE0

Accessibility & contrast

On white

6.99

#2E51BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#2E51BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E51BA

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51BA	#FFFFFF	#000000	##FFFFFF
##2E51BA	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2e51ba;
/* rgb */ color: rgb(46, 81, 186);
/* oklch */ color: oklch(47.4% 0.171 266.0);

Tailwind

colors: {
  custom: {
    50: '#7b81d0',
    500: '#2e51ba',
    950: '#000000',
  },
}

SCSS

$custom: #2e51ba;
$custom-light: #7b81d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51ba",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 225,
    "s": 60.345,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47351,
    "c": 0.17067,
    "h": 266
  },
  "luminance": 0.10011
}

Semantic roles & 50–950 ramp

primary

#2E51BA

secondary

#C9B67B

accent

#BC44E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2E51BA

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

Preview Lab → · Contrast checker → · Palette generator →