#4757CC#4757CC

#4757CC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.181 H 272.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#4757CC
RGB	rgb(71, 87, 204)
HSL	hsl(233, 57%, 54%)
HSV	hsv(233, 65%, 80%)
CMYK	cmyk(65.2%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.02, 31.08, -62.68)
CIE-LCH	lch(42.02, 69.96, 296.37°)
OKLab	oklab(51.23% 0.0077 -0.1804)
OKLCH	oklch(51.23% 0.181 272.4)
XYZ	xyz(16.9022, 12.5141, 58.6398)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757CC #CCBC47

analogous

#479ACC #4757CC #7A47CC

triadic

#4757CC #CC4757 #57CC47

tetradic

#4757CC #CC479A #CCBC47 #47CC7A

square

#4757CC #CC479A #CCBC47 #47CC7A

split-complementary

#4757CC #CC7A47 #9ACC47

monochromatic

#212C77 #2E3DA7 #4757CC #7783D9 #A7AFE7

Accessibility & contrast

On white

5.99

#4757CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4757CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757CC

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757CC	#FFFFFF	#000000	##FFFFFF
##4757CC	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4757cc;
/* rgb */ color: rgb(71, 87, 204);
/* oklch */ color: oklch(51.2% 0.181 272.4);

Tailwind

colors: {
  custom: {
    50: '#8986dc',
    500: '#4757cc',
    950: '#000000',
  },
}

SCSS

$custom: #4757cc;
$custom-light: #8986dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4757cc",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 232.782,
    "s": 56.596,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51232,
    "c": 0.18054,
    "h": 272.4
  },
  "luminance": 0.12516
}

Semantic roles & 50–950 ramp

primary

#4757CC

secondary

#D4CD9B

accent

#CE48E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4757CC

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

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