#2C51AA#2C51AA

#2C51AA is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.149 H 264.3°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#2C51AA
RGB	rgb(44, 81, 170)
HSL	hsl(222, 59%, 42%)
HSV	hsv(222, 74%, 67%)
CMYK	cmyk(74.1%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(36.60, 18.67, -51.63)
CIE-LCH	lch(36.60, 54.90, 289.88°)
OKLab	oklab(46% -0.0148 -0.1485)
OKLCH	oklch(46% 0.149 264.3)
XYZ	xyz(11.2343, 9.3214, 39.2296)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51AA #AA852C

analogous

#2C90AA #2C51AA #462CAA

triadic

#2C51AA #AA2C51 #51AA2C

tetradic

#2C51AA #AA2C90 #AA852C #2CAA46

square

#2C51AA #AA2C90 #AA852C #2CAA46

split-complementary

#2C51AA #AA462C #90AA2C

monochromatic

#132349 #1F3A79 #2C51AA #446DCF #7593DB

Accessibility & contrast

On white

7.33

#2C51AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2C51AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C51AA

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51AA	#FFFFFF	#000000	##FFFFFF
##2C51AA	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165CAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2c51aa;
/* rgb */ color: rgb(44, 81, 170);
/* oklch */ color: oklch(46.0% 0.149 264.3);

Tailwind

colors: {
  custom: {
    50: '#7781c4',
    500: '#2c51aa',
    950: '#000000',
  },
}

SCSS

$custom: #2c51aa;
$custom-light: #7781c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51aa",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 222.381,
    "s": 58.879,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46,
    "c": 0.14927,
    "h": 264.3
  },
  "luminance": 0.09323
}

Semantic roles & 50–950 ramp

primary

#2C51AA

secondary

#C3AA6F

accent

#B446E2

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C51AA

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

Preview Lab → · Contrast checker → · Palette generator →