#2A51AE#2A51AE

#2A51AE is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.155 H 264.1°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#2A51AE
RGB	rgb(42, 81, 174)
HSL	hsl(222, 61%, 42%)
HSV	hsv(222, 76%, 68%)
CMYK	cmyk(75.9%, 53.4%, 0%, 31.8%)
CIE-LAB	lab(36.80, 19.95, -53.68)
CIE-LCH	lch(36.80, 57.26, 290.39°)
OKLab	oklab(46.23% -0.016 -0.1546)
OKLCH	oklch(46.23% 0.155 264.1)
XYZ	xyz(11.5345, 9.4318, 41.2488)
Luminance	0.0943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A51AE #AE872A

analogous

#2A93AE #2A51AE #452AAE

triadic

#2A51AE #AE2A51 #51AE2A

tetradic

#2A51AE #AE2A93 #AE872A #2AAE45

square

#2A51AE #AE2A93 #AE872A #2AAE45

split-complementary

#2A51AE #AE452A #93AE2A

monochromatic

#12234B #1E3A7D #2A51AE #436DD2 #7594DE

Accessibility & contrast

On white

7.27

#2A51AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2A51AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A51AE

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A51AE	#FFFFFF	#000000	##FFFFFF
##2A51AE	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)

#0B5DB1

Deuteranopia (green-blind)

#0051AC

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2a51ae;
/* rgb */ color: rgb(42, 81, 174);
/* oklch */ color: oklch(46.2% 0.155 264.1);

Tailwind

colors: {
  custom: {
    50: '#7781c7',
    500: '#2a51ae',
    950: '#000000',
  },
}

SCSS

$custom: #2a51ae;
$custom-light: #7781c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a51ae",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 174
  },
  "hsl": {
    "h": 222.273,
    "s": 61.111,
    "l": 42.353
  },
  "oklch": {
    "l": 0.46226,
    "c": 0.1554,
    "h": 264.1
  },
  "luminance": 0.09433
}

Semantic roles & 50–950 ramp

primary

#2A51AE

secondary

#C5AC6F

accent

#B544E4

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2A51AE

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

Preview Lab → · Contrast checker → · Palette generator →