#4A57CC#4A57CC

#4A57CC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.180 H 273.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4A57CC
RGB	rgb(74, 87, 204)
HSL	hsl(234, 56%, 55%)
HSV	hsv(234, 64%, 80%)
CMYK	cmyk(63.7%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.20, 31.55, -62.38)
CIE-LCH	lch(42.20, 69.91, 296.83°)
OKLab	oklab(51.41% 0.0109 -0.1794)
OKLCH	oklch(51.41% 0.18 273.5)
XYZ	xyz(17.1277, 12.6304, 58.6503)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57CC #CCBF4A

analogous

#4A98CC #4A57CC #7E4ACC

triadic

#4A57CC #CC4A57 #57CC4A

tetradic

#4A57CC #CC4A98 #CCBF4A #4ACC7E

square

#4A57CC #CC4A98 #CCBF4A #4ACC7E

split-complementary

#4A57CC #CC7E4A #98CC4A

monochromatic

#222B79 #303CA9 #4A57CC #7A83D9 #A9B0E7

Accessibility & contrast

On white

5.96

#4A57CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4A57CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57CC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57CC	#FFFFFF	#000000	##FFFFFF
##4A57CC	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4a57cc;
/* rgb */ color: rgb(74, 87, 204);
/* oklch */ color: oklch(51.4% 0.180 273.5);

Tailwind

colors: {
  custom: {
    50: '#8a86dc',
    500: '#4a57cc',
    950: '#000000',
  },
}

SCSS

$custom: #4a57cc;
$custom-light: #8a86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57cc",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 234,
    "s": 56.034,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51413,
    "c": 0.17976,
    "h": 273.5
  },
  "luminance": 0.12632
}

Semantic roles & 50–950 ramp

primary

#4A57CC

secondary

#D4CF9D

accent

#D048DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4A57CC

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

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