#2C51AD#2C51AD

#2C51AD is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.153 H 264.6°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#2C51AD
RGB	rgb(44, 81, 173)
HSL	hsl(223, 59%, 43%)
HSV	hsv(223, 75%, 68%)
CMYK	cmyk(74.6%, 53.2%, 0%, 32.2%)
CIE-LAB	lab(36.81, 19.82, -53.07)
CIE-LCH	lch(36.81, 56.65, 290.48°)
OKLab	oklab(46.23% -0.0145 -0.1527)
OKLCH	oklch(46.23% 0.153 264.6)
XYZ	xyz(11.5213, 9.4362, 40.7412)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51AD #AD882C

analogous

#2C91AD #2C51AD #482CAD

triadic

#2C51AD #AD2C51 #51AD2C

tetradic

#2C51AD #AD2C91 #AD882C #2CAD48

square

#2C51AD #AD2C91 #AD882C #2CAD48

split-complementary

#2C51AD #AD482C #91AD2C

monochromatic

#13234B #203A7C #2C51AD #466ED0 #7794DC

Accessibility & contrast

On white

7.27

#2C51AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2C51AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C51AD

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51AD	#FFFFFF	#000000	##FFFFFF
##2C51AD	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5DB0

Deuteranopia (green-blind)

#0051AB

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2c51ad;
/* rgb */ color: rgb(44, 81, 173);
/* oklch */ color: oklch(46.2% 0.153 264.6);

Tailwind

colors: {
  custom: {
    50: '#7781c6',
    500: '#2c51ad',
    950: '#000000',
  },
}

SCSS

$custom: #2c51ad;
$custom-light: #7781c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51ad",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 173
  },
  "hsl": {
    "h": 222.791,
    "s": 59.447,
    "l": 42.549
  },
  "oklch": {
    "l": 0.46232,
    "c": 0.15344,
    "h": 264.6
  },
  "luminance": 0.09437
}

Semantic roles & 50–950 ramp

primary

#2C51AD

secondary

#C4AC71

accent

#B545E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C51AD

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

Preview Lab → · Contrast checker → · Palette generator →