#4056D8#4056D8

#4056D8 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.6% C 0.199 H 270.4°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4056D8
RGB	rgb(64, 86, 216)
HSL	hsl(231, 66%, 55%)
HSV	hsv(231, 70%, 85%)
CMYK	cmyk(70.4%, 60.2%, 0%, 15.3%)
CIE-LAB	lab(42.31, 34.90, -69.12)
CIE-LCH	lch(42.31, 77.43, 296.79°)
OKLab	oklab(51.63% 0.0014 -0.1995)
OKLCH	oklch(51.63% 0.199 270.4)
XYZ	xyz(17.8326, 12.7016, 66.4643)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056D8 #D8C240

analogous

#40A2D8 #4056D8 #7640D8

triadic

#4056D8 #D84056 #56D840

tetradic

#4056D8 #D840A2 #D8C240 #40D876

square

#4056D8 #D840A2 #D8C240 #40D876

split-complementary

#4056D8 #D87640 #A2D840

monochromatic

#1B2A83 #253AB6 #4056D8 #7383E2 #A6B0ED

Accessibility & contrast

On white

5.93

#4056D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4056D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056D8

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056D8	#FFFFFF	#000000	##FFFFFF
##4056D8	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDC

Deuteranopia (green-blind)

#005DD5

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4056d8;
/* rgb */ color: rgb(64, 86, 216);
/* oklch */ color: oklch(51.6% 0.199 270.4);

Tailwind

colors: {
  custom: {
    50: '#8885e5',
    500: '#4056d8',
    950: '#000000',
  },
}

SCSS

$custom: #4056d8;
$custom-light: #8885e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4056d8",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 216
  },
  "hsl": {
    "h": 231.316,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51631,
    "c": 0.19947,
    "h": 270.4
  },
  "luminance": 0.12703
}

Semantic roles & 50–950 ramp

primary

#4056D8

secondary

#DAD19A

accent

#D03FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4056D8

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

Preview Lab → · Contrast checker → · Palette generator →