#2D51AA#2D51AA

#2D51AA is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.149 H 264.6°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#2D51AA
RGB	rgb(45, 81, 170)
HSL	hsl(223, 58%, 42%)
HSV	hsv(223, 74%, 67%)
CMYK	cmyk(73.5%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(36.64, 18.81, -51.56)
CIE-LCH	lch(36.64, 54.88, 290.04°)
OKLab	oklab(46.04% -0.014 -0.1483)
OKLCH	oklch(46.04% 0.149 264.6)
XYZ	xyz(11.2778, 9.3438, 39.2316)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D51AA #AA862D

analogous

#2D90AA #2D51AA #472DAA

triadic

#2D51AA #AA2D51 #51AA2D

tetradic

#2D51AA #AA2D90 #AA862D #2DAA47

square

#2D51AA #AA2D90 #AA862D #2DAA47

split-complementary

#2D51AA #AA472D #90AA2D

monochromatic

#132349 #203A7A #2D51AA #466DCE #7793DB

Accessibility & contrast

On white

7.32

#2D51AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2D51AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D51AA

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D51AA	#FFFFFF	#000000	##FFFFFF
##2D51AA	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165CAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2d51aa;
/* rgb */ color: rgb(45, 81, 170);
/* oklch */ color: oklch(46.0% 0.149 264.6);

Tailwind

colors: {
  custom: {
    50: '#7781c4',
    500: '#2d51aa',
    950: '#000000',
  },
}

SCSS

$custom: #2d51aa;
$custom-light: #7781c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d51aa",
  "rgb": {
    "r": 45,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 222.72,
    "s": 58.14,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46044,
    "c": 0.14897,
    "h": 264.6
  },
  "luminance": 0.09345
}

Semantic roles & 50–950 ramp

primary

#2D51AA

secondary

#C3AB70

accent

#B546E1

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2D51AA

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

Preview Lab → · Contrast checker → · Palette generator →