#4056CF#4056CF

#4056CF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.188 H 270.4°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4056CF
RGB	rgb(64, 86, 207)
HSL	hsl(231, 60%, 53%)
HSV	hsv(231, 69%, 81%)
CMYK	cmyk(69.1%, 58.5%, 0%, 18.8%)
CIE-LAB	lab(41.61, 31.74, -65.10)
CIE-LCH	lch(41.61, 72.42, 295.99°)
OKLab	oklab(50.89% 0.0014 -0.1877)
OKLCH	oklch(50.89% 0.188 270.4)
XYZ	xyz(16.7008, 12.2489, 60.5035)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056CF #CFB940

analogous

#409ECF #4056CF #7140CF

triadic

#4056CF #CF4056 #56CF40

tetradic

#4056CF #CF409E #CFB940 #40CF71

square

#4056CF #CF409E #CFB940 #40CF71

split-complementary

#4056CF #CF7140 #9ECF40

monochromatic

#1E2C77 #2A3DA8 #4056CF #7181DB #A2ADE8

Accessibility & contrast

On white

6.09

#4056CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4056CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056CF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056CF	#FFFFFF	#000000	##FFFFFF
##4056CF	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#005CCD

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4056cf;
/* rgb */ color: rgb(64, 86, 207);
/* oklch */ color: oklch(50.9% 0.188 270.4);

Tailwind

colors: {
  custom: {
    50: '#8685df',
    500: '#4056cf',
    950: '#000000',
  },
}

SCSS

$custom: #4056cf;
$custom-light: #8685df;
$custom-dark: #000000;

JSON

{
  "hex": "#4056cf",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 207
  },
  "hsl": {
    "h": 230.769,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50892,
    "c": 0.18767,
    "h": 270.4
  },
  "luminance": 0.12251
}

Semantic roles & 50–950 ramp

primary

#4056CF

secondary

#D4CB97

accent

#CB45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4056CF

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

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