#4557CC#4557CC

#4557CC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.181 H 271.8°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4557CC
RGB	rgb(69, 87, 204)
HSL	hsl(232, 57%, 54%)
HSV	hsv(232, 66%, 80%)
CMYK	cmyk(66.2%, 57.4%, 0%, 20%)
CIE-LAB	lab(41.91, 30.77, -62.87)
CIE-LCH	lch(41.91, 70.00, 296.08°)
OKLab	oklab(51.12% 0.0056 -0.181)
OKLCH	oklch(51.12% 0.181 271.8)
XYZ	xyz(16.7579, 12.4397, 58.6330)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557CC #CCBA45

analogous

#459ACC #4557CC #7645CC

triadic

#4557CC #CC4557 #57CC45

tetradic

#4557CC #CC459A #CCBA45 #45CC76

square

#4557CC #CC459A #CCBA45 #45CC76

split-complementary

#4557CC #CC7645 #9ACC45

monochromatic

#202C76 #2E3EA6 #4557CC #7582D9 #A5AEE6

Accessibility & contrast

On white

6.02

#4557CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4557CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557CC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557CC	#FFFFFF	#000000	##FFFFFF
##4557CC	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4557cc;
/* rgb */ color: rgb(69, 87, 204);
/* oklch */ color: oklch(51.1% 0.181 271.8);

Tailwind

colors: {
  custom: {
    50: '#8886dc',
    500: '#4557cc',
    950: '#000000',
  },
}

SCSS

$custom: #4557cc;
$custom-light: #8886dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4557cc",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 232,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51116,
    "c": 0.18108,
    "h": 271.8
  },
  "luminance": 0.12441
}

Semantic roles & 50–950 ramp

primary

#4557CC

secondary

#D3CC99

accent

#CC48E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4557CC

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

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