#2E51B2#2E51B2

#2E51B2 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.160 H 265.5°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#2E51B2
RGB	rgb(46, 81, 178)
HSL	hsl(224, 59%, 44%)
HSV	hsv(224, 74%, 70%)
CMYK	cmyk(74.2%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.26, 21.98, -55.30)
CIE-LCH	lch(37.26, 59.50, 291.67°)
OKLab	oklab(46.71% -0.0124 -0.1593)
OKLCH	oklch(46.71% 0.16 265.5)
XYZ	xyz(12.1022, 9.6787, 43.3412)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51B2 #B28F2E

analogous

#2E93B2 #2E51B2 #4D2EB2

triadic

#2E51B2 #B22E51 #51B22E

tetradic

#2E51B2 #B22E93 #B28F2E #2EB24D

square

#2E51B2 #B22E93 #B28F2E #2EB24D

split-complementary

#2E51B2 #B24D2E #93B22E

monochromatic

#152551 #213B81 #2E51B2 #4C6FD1 #7D97DD

Accessibility & contrast

On white

7.15

#2E51B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2E51B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E51B2

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51B2	#FFFFFF	#000000	##FFFFFF
##2E51B2	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2e51b2;
/* rgb */ color: rgb(46, 81, 178);
/* oklch */ color: oklch(46.7% 0.160 265.5);

Tailwind

colors: {
  custom: {
    50: '#7981ca',
    500: '#2e51b2',
    950: '#000000',
  },
}

SCSS

$custom: #2e51b2;
$custom-light: #7981ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51b2",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 224.091,
    "s": 58.929,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4671,
    "c": 0.15976,
    "h": 265.5
  },
  "luminance": 0.0968
}

Semantic roles & 50–950 ramp

primary

#2E51B2

secondary

#C6B176

accent

#B946E2

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2E51B2

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

Preview Lab → · Contrast checker → · Palette generator →