#4559CC#4559CC

#4559CC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.179 H 271.3°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4559CC
RGB	rgb(69, 89, 204)
HSL	hsl(231, 57%, 54%)
HSV	hsv(231, 66%, 80%)
CMYK	cmyk(66.2%, 56.4%, 0%, 20%)
CIE-LAB	lab(42.41, 29.51, -62.05)
CIE-LCH	lch(42.41, 68.71, 295.43°)
OKLab	oklab(51.49% 0.0039 -0.1786)
OKLCH	oklch(51.49% 0.179 271.3)
XYZ	xyz(16.9220, 12.7680, 58.6877)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4559CC #CCB845

analogous

#459CCC #4559CC #7445CC

triadic

#4559CC #CC4559 #59CC45

tetradic

#4559CC #CC459C #CCB845 #45CC74

square

#4559CC #CC459C #CCB845 #45CC74

split-complementary

#4559CC #CC7445 #9CCC45

monochromatic

#202D76 #2E3FA6 #4559CC #7584D9 #A5AFE6

Accessibility & contrast

On white

5.91

#4559CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4559CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4559CC

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4559CC	#FFFFFF	#000000	##FFFFFF
##4559CC	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4559cc;
/* rgb */ color: rgb(69, 89, 204);
/* oklch */ color: oklch(51.5% 0.179 271.3);

Tailwind

colors: {
  custom: {
    50: '#8887dc',
    500: '#4559cc',
    950: '#000000',
  },
}

SCSS

$custom: #4559cc;
$custom-light: #8887dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4559cc",
  "rgb": {
    "r": 69,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 231.111,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51493,
    "c": 0.1786,
    "h": 271.3
  },
  "luminance": 0.1277
}

Semantic roles & 50–950 ramp

primary

#4559CC

secondary

#D3CB99

accent

#CA48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4559CC

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

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