#4657CC#4657CC

#4657CC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.181 H 272.1°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4657CC
RGB	rgb(70, 87, 204)
HSL	hsl(232, 57%, 54%)
HSV	hsv(232, 66%, 80%)
CMYK	cmyk(65.7%, 57.4%, 0%, 20%)
CIE-LAB	lab(41.96, 30.92, -62.78)
CIE-LCH	lch(41.96, 69.98, 296.22°)
OKLab	oklab(51.17% 0.0067 -0.1807)
OKLCH	oklch(51.17% 0.181 272.1)
XYZ	xyz(16.8294, 12.4766, 58.6364)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4657CC #CCBB46

analogous

#469ACC #4657CC #7846CC

triadic

#4657CC #CC4657 #57CC46

tetradic

#4657CC #CC469A #CCBB46 #46CC78

square

#4657CC #CC469A #CCBB46 #46CC78

split-complementary

#4657CC #CC7846 #9ACC46

monochromatic

#212C77 #2E3DA7 #4657CC #7683D9 #A6AEE6

Accessibility & contrast

On white

6.01

#4657CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4657CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4657CC

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4657CC	#FFFFFF	#000000	##FFFFFF
##4657CC	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	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: #4657cc;
/* rgb */ color: rgb(70, 87, 204);
/* oklch */ color: oklch(51.2% 0.181 272.1);

Tailwind

colors: {
  custom: {
    50: '#8886dc',
    500: '#4657cc',
    950: '#000000',
  },
}

SCSS

$custom: #4657cc;
$custom-light: #8886dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4657cc",
  "rgb": {
    "r": 70,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 232.388,
    "s": 56.78,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51173,
    "c": 0.18081,
    "h": 272.1
  },
  "luminance": 0.12478
}

Semantic roles & 50–950 ramp

primary

#4657CC

secondary

#D4CC9A

accent

#CD48E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4657CC

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

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