#2C51AC#2C51AC

#2C51AC is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.152 H 264.5°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#2C51AC
RGB	rgb(44, 81, 172)
HSL	hsl(223, 59%, 42%)
HSV	hsv(223, 74%, 67%)
CMYK	cmyk(74.4%, 52.9%, 0%, 32.5%)
CIE-LAB	lab(36.74, 19.44, -52.59)
CIE-LCH	lch(36.74, 56.07, 290.28°)
OKLab	oklab(46.15% -0.0146 -0.1514)
OKLCH	oklch(46.15% 0.152 264.5)
XYZ	xyz(11.4249, 9.3976, 40.2335)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51AC #AC872C

analogous

#2C91AC #2C51AC #472CAC

triadic

#2C51AC #AC2C51 #51AC2C

tetradic

#2C51AC #AC2C91 #AC872C #2CAC47

square

#2C51AC #AC2C91 #AC872C #2CAC47

split-complementary

#2C51AC #AC472C #91AC2C

monochromatic

#13234B #203A7B #2C51AC #466ED0 #7694DC

Accessibility & contrast

On white

7.29

#2C51AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2C51AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C51AC

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51AC	#FFFFFF	#000000	##FFFFFF
##2C51AC	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125DAF

Deuteranopia (green-blind)

#0051AA

Tritanopia (blue-blind)

#006776

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2c51ac;
/* rgb */ color: rgb(44, 81, 172);
/* oklch */ color: oklch(46.2% 0.152 264.5);

Tailwind

colors: {
  custom: {
    50: '#7781c5',
    500: '#2c51ac',
    950: '#000000',
  },
}

SCSS

$custom: #2c51ac;
$custom-light: #7781c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51ac",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 172
  },
  "hsl": {
    "h": 222.656,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.46154,
    "c": 0.15205,
    "h": 264.5
  },
  "luminance": 0.09399
}

Semantic roles & 50–950 ramp

primary

#2C51AC

secondary

#C4AC70

accent

#B545E2

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C51AC

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

Preview Lab → · Contrast checker → · Palette generator →