#4457CC#4457CC

#4457CC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.181 H 271.4°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4457CC
RGB	rgb(68, 87, 204)
HSL	hsl(232, 57%, 53%)
HSV	hsv(232, 67%, 80%)
CMYK	cmyk(66.7%, 57.4%, 0%, 20%)
CIE-LAB	lab(41.85, 30.62, -62.97)
CIE-LCH	lch(41.85, 70.02, 295.93°)
OKLab	oklab(51.06% 0.0046 -0.1813)
OKLCH	oklch(51.06% 0.181 271.4)
XYZ	xyz(16.6875, 12.4034, 58.6297)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457CC #CCB944

analogous

#449BCC #4457CC #7544CC

triadic

#4457CC #CC4457 #57CC44

tetradic

#4457CC #CC449B #CCB944 #44CC75

square

#4457CC #CC449B #CCB944 #44CC75

split-complementary

#4457CC #CC7544 #9BCC44

monochromatic

#202C76 #2D3EA6 #4457CC #7482D9 #A4ADE6

Accessibility & contrast

On white

6.03

#4457CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4457CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457CC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457CC	#FFFFFF	#000000	##FFFFFF
##4457CC	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	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: #4457cc;
/* rgb */ color: rgb(68, 87, 204);
/* oklch */ color: oklch(51.1% 0.181 271.4);

Tailwind

colors: {
  custom: {
    50: '#8786dc',
    500: '#4457cc',
    950: '#000000',
  },
}

SCSS

$custom: #4457cc;
$custom-light: #8786dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4457cc",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 231.618,
    "s": 57.143,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51059,
    "c": 0.18135,
    "h": 271.4
  },
  "luminance": 0.12405
}

Semantic roles & 50–950 ramp

primary

#4457CC

secondary

#D3CB99

accent

#CB47E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4457CC

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

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