#4056CC#4056CC

#4056CC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.184 H 270.4°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#4056CC
RGB	rgb(64, 86, 204)
HSL	hsl(231, 58%, 53%)
HSV	hsv(231, 69%, 80%)
CMYK	cmyk(68.6%, 57.8%, 0%, 20%)
CIE-LAB	lab(41.38, 30.68, -63.74)
CIE-LCH	lch(41.38, 70.74, 295.70°)
OKLab	oklab(50.65% 0.0014 -0.1837)
OKLCH	oklch(50.65% 0.184 270.4)
XYZ	xyz(16.3375, 12.1036, 58.5903)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056CC #CCB640

analogous

#409CCC #4056CC #7040CC

triadic

#4056CC #CC4056 #56CC40

tetradic

#4056CC #CC409C #CCB640 #40CC70

square

#4056CC #CC409C #CCB640 #40CC70

split-complementary

#4056CC #CC7040 #9CCC40

monochromatic

#1F2C73 #2C3EA3 #4056CC #7081D9 #A1ABE6

Accessibility & contrast

On white

6.14

#4056CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4056CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056CC

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056CC	#FFFFFF	#000000	##FFFFFF
##4056CC	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4056cc;
/* rgb */ color: rgb(64, 86, 204);
/* oklch */ color: oklch(50.6% 0.184 270.4);

Tailwind

colors: {
  custom: {
    50: '#8685dc',
    500: '#4056cc',
    950: '#000000',
  },
}

SCSS

$custom: #4056cc;
$custom-light: #8685dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4056cc",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 204
  },
  "hsl": {
    "h": 230.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5065,
    "c": 0.18368,
    "h": 270.4
  },
  "luminance": 0.12105
}

Semantic roles & 50–950 ramp

primary

#4056CC

secondary

#D2C995

accent

#C947E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4056CC

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

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