#2C51B4#2C51B4

#2C51B4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.163 H 265.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#2C51B4
RGB	rgb(44, 81, 180)
HSL	hsl(224, 61%, 44%)
HSV	hsv(224, 76%, 71%)
CMYK	cmyk(75.6%, 55%, 0%, 29.4%)
CIE-LAB	lab(37.32, 22.48, -56.37)
CIE-LCH	lch(37.32, 60.69, 291.74°)
OKLab	oklab(46.78% -0.0139 -0.1625)
OKLCH	oklch(46.78% 0.163 265.1)
XYZ	xyz(12.2164, 9.7143, 44.4024)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51B4 #B48F2C

analogous

#2C95B4 #2C51B4 #4B2CB4

triadic

#2C51B4 #B42C51 #51B42C

tetradic

#2C51B4 #B42C95 #B48F2C #2CB44B

square

#2C51B4 #B42C95 #B48F2C #2CB44B

split-complementary

#2C51B4 #B44B2C #95B42C

monochromatic

#142552 #203B83 #2C51B4 #4A6FD3 #7C97DF

Accessibility & contrast

On white

7.14

#2C51B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2C51B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C51B4

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51B4	#FFFFFF	#000000	##FFFFFF
##2C51B4	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB7

Deuteranopia (green-blind)

#0052B2

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2c51b4;
/* rgb */ color: rgb(44, 81, 180);
/* oklch */ color: oklch(46.8% 0.163 265.1);

Tailwind

colors: {
  custom: {
    50: '#7981cb',
    500: '#2c51b4',
    950: '#000000',
  },
}

SCSS

$custom: #2c51b4;
$custom-light: #7981cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51b4",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 180
  },
  "hsl": {
    "h": 223.676,
    "s": 60.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46783,
    "c": 0.16307,
    "h": 265.1
  },
  "luminance": 0.09716
}

Semantic roles & 50–950 ramp

primary

#2C51B4

secondary

#C7B175

accent

#B844E4

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C51B4

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

Preview Lab → · Contrast checker → · Palette generator →