#2C51B2#2C51B2

#2C51B2 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.160 H 265.0°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2C51B2
RGB	rgb(44, 81, 178)
HSL	hsl(223, 60%, 44%)
HSV	hsv(223, 75%, 70%)
CMYK	cmyk(75.3%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.18, 21.72, -55.43)
CIE-LCH	lch(37.18, 59.54, 291.40°)
OKLab	oklab(46.62% -0.014 -0.1597)
OKLCH	oklch(46.62% 0.16 265)
XYZ	xyz(12.0142, 9.6334, 43.3371)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51B2 #B28D2C

analogous

#2C94B2 #2C51B2 #4A2CB2

triadic

#2C51B2 #B22C51 #51B22C

tetradic

#2C51B2 #B22C94 #B28D2C #2CB24A

square

#2C51B2 #B22C94 #B28D2C #2CB24A

split-complementary

#2C51B2 #B24A2C #94B22C

monochromatic

#142450 #203B81 #2C51B2 #496FD2 #7A96DE

Accessibility & contrast

On white

7.17

#2C51B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2C51B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C51B2

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51B2	#FFFFFF	#000000	##FFFFFF
##2C51B2	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2c51b2;
/* rgb */ color: rgb(44, 81, 178);
/* oklch */ color: oklch(46.6% 0.160 265.0);

Tailwind

colors: {
  custom: {
    50: '#7881ca',
    500: '#2c51b2',
    950: '#000000',
  },
}

SCSS

$custom: #2c51b2;
$custom-light: #7881ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51b2",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 223.433,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46624,
    "c": 0.16034,
    "h": 265
  },
  "luminance": 0.09635
}

Semantic roles & 50–950 ramp

primary

#2C51B2

secondary

#C6AF73

accent

#B844E4

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C51B2

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

Preview Lab → · Contrast checker → · Palette generator →