#2E51A9#2E51A9

#2E51A9 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.147 H 264.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#2E51A9
RGB	rgb(46, 81, 169)
HSL	hsl(223, 57%, 42%)
HSV	hsv(223, 73%, 66%)
CMYK	cmyk(72.8%, 52.1%, 0%, 33.7%)
CIE-LAB	lab(36.61, 18.57, -51.01)
CIE-LCH	lch(36.61, 54.28, 290.00°)
OKLab	oklab(46.01% -0.0132 -0.1467)
OKLCH	oklch(46.01% 0.147 264.8)
XYZ	xyz(11.2281, 9.3291, 38.7374)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51A9 #A9862E

analogous

#2E8EA9 #2E51A9 #492EA9

triadic

#2E51A9 #A92E51 #51A92E

tetradic

#2E51A9 #A92E8E #A9862E #2EA949

square

#2E51A9 #A92E8E #A9862E #2EA949

split-complementary

#2E51A9 #A9492E #8EA92E

monochromatic

#142349 #213A79 #2E51A9 #476DCD #7793DA

Accessibility & contrast

On white

7.33

#2E51A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2E51A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E51A9

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51A9	#FFFFFF	#000000	##FFFFFF
##2E51A9	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195CAC

Deuteranopia (green-blind)

#0051A7

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2e51a9;
/* rgb */ color: rgb(46, 81, 169);
/* oklch */ color: oklch(46.0% 0.147 264.8);

Tailwind

colors: {
  custom: {
    50: '#7781c3',
    500: '#2e51a9',
    950: '#000000',
  },
}

SCSS

$custom: #2e51a9;
$custom-light: #7781c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51a9",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 169
  },
  "hsl": {
    "h": 222.927,
    "s": 57.209,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46012,
    "c": 0.14727,
    "h": 264.8
  },
  "luminance": 0.0933
}

Semantic roles & 50–950 ramp

primary

#2E51A9

secondary

#C2AB71

accent

#B547E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2E51A9

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

Preview Lab → · Contrast checker → · Palette generator →