#2556AA#2556AA

#2556AA is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.145 H 260.4°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#2556AA
RGB	rgb(37, 86, 170)
HSL	hsl(218, 64%, 41%)
HSV	hsv(218, 78%, 67%)
CMYK	cmyk(78.2%, 49.4%, 0%, 33.3%)
CIE-LAB	lab(37.75, 14.48, -49.78)
CIE-LCH	lch(37.75, 51.84, 286.22°)
OKLab	oklab(46.81% -0.0241 -0.1431)
OKLCH	oklch(46.81% 0.145 260.4)
XYZ	xyz(11.3438, 9.9499, 39.3451)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2556AA #AA7925

analogous

#2598AA #2556AA #3725AA

triadic

#2556AA #AA2556 #56AA25

tetradic

#2556AA #AA2598 #AA7925 #25AA37

square

#2556AA #AA2598 #AA7925 #25AA37

split-complementary

#2556AA #AA3725 #98AA25

monochromatic

#0F2345 #1A3D78 #2556AA #3872D4 #6B95DF

Accessibility & contrast

On white

7.02

#2556AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2556AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2556AA

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2556AA	#FFFFFF	#000000	##FFFFFF
##2556AA	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255FAD

Deuteranopia (green-blind)

#0053A8

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2556aa;
/* rgb */ color: rgb(37, 86, 170);
/* oklch */ color: oklch(46.8% 0.145 260.4);

Tailwind

colors: {
  custom: {
    50: '#7485c4',
    500: '#2556aa',
    950: '#000000',
  },
}

SCSS

$custom: #2556aa;
$custom-light: #7485c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2556aa",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 170
  },
  "hsl": {
    "h": 217.895,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46809,
    "c": 0.14512,
    "h": 260.4
  },
  "luminance": 0.09951
}

Semantic roles & 50–950 ramp

primary

#2556AA

secondary

#C5A266

accent

#AA41E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2556AA

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

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