#2C51B6#2C51B6

#2C51B6 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.166 H 265.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#2C51B6
RGB	rgb(44, 81, 182)
HSL	hsl(224, 61%, 44%)
HSV	hsv(224, 76%, 71%)
CMYK	cmyk(75.8%, 55.5%, 0%, 28.6%)
CIE-LAB	lab(37.47, 23.24, -57.31)
CIE-LCH	lch(37.47, 61.84, 292.08°)
OKLab	oklab(46.94% -0.0137 -0.1652)
OKLCH	oklch(46.94% 0.166 265.2)
XYZ	xyz(12.4217, 9.7964, 45.4831)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51B6 #B6912C

analogous

#2C96B6 #2C51B6 #4C2CB6

triadic

#2C51B6 #B62C51 #51B62C

tetradic

#2C51B6 #B62C96 #B6912C #2CB64C

square

#2C51B6 #B62C96 #B6912C #2CB64C

split-complementary

#2C51B6 #B64C2C #96B62C

monochromatic

#142553 #203B85 #2C51B6 #4C70D4 #7D97E0

Accessibility & contrast

On white

7.10

#2C51B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2C51B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C51B6

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51B6	#FFFFFF	#000000	##FFFFFF
##2C51B6	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB9

Deuteranopia (green-blind)

#0052B4

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2c51b6;
/* rgb */ color: rgb(44, 81, 182);
/* oklch */ color: oklch(46.9% 0.166 265.2);

Tailwind

colors: {
  custom: {
    50: '#7981cd',
    500: '#2c51b6',
    950: '#000000',
  },
}

SCSS

$custom: #2c51b6;
$custom-light: #7981cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51b6",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 182
  },
  "hsl": {
    "h": 223.913,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46943,
    "c": 0.16581,
    "h": 265.2
  },
  "luminance": 0.09798
}

Semantic roles & 50–950 ramp

primary

#2C51B6

secondary

#C8B276

accent

#B944E4

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2C51B6

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

Preview Lab → · Contrast checker → · Palette generator →