#2E51A4#2E51A4

#2E51A4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.140 H 264.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#2E51A4
RGB	rgb(46, 81, 164)
HSL	hsl(222, 56%, 41%)
HSV	hsv(222, 72%, 64%)
CMYK	cmyk(72%, 50.6%, 0%, 35.7%)
CIE-LAB	lab(36.26, 16.67, -48.59)
CIE-LCH	lch(36.26, 51.37, 288.93°)
OKLab	oklab(45.64% -0.0138 -0.1395)
OKLCH	oklch(45.64% 0.14 264.3)
XYZ	xyz(10.7676, 9.1449, 36.3124)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51A4 #A4812E

analogous

#2E8CA4 #2E51A4 #462EA4

triadic

#2E51A4 #A42E51 #51A42E

tetradic

#2E51A4 #A42E8C #A4812E #2EA446

square

#2E51A4 #A42E8C #A4812E #2EA446

split-complementary

#2E51A4 #A4462E #8CA42E

monochromatic

#132244 #213974 #2E51A4 #456CCB #7492D8

Accessibility & contrast

On white

7.42

#2E51A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2E51A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E51A4

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51A4	#FFFFFF	#000000	##FFFFFF
##2E51A4	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205BA7

Deuteranopia (green-blind)

#0050A2

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2e51a4;
/* rgb */ color: rgb(46, 81, 164);
/* oklch */ color: oklch(45.6% 0.140 264.3);

Tailwind

colors: {
  custom: {
    50: '#7681bf',
    500: '#2e51a4',
    950: '#000000',
  },
}

SCSS

$custom: #2e51a4;
$custom-light: #7681bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51a4",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 164
  },
  "hsl": {
    "h": 222.203,
    "s": 56.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45636,
    "c": 0.14022,
    "h": 264.3
  },
  "luminance": 0.09146
}

Semantic roles & 50–950 ramp

primary

#2E51A4

secondary

#C0A86E

accent

#B348DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2E51A4

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

Preview Lab → · Contrast checker → · Palette generator →