#4056BB#4056BB

#4056BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.3% C 0.161 H 270.2°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4056BB
RGB	rgb(64, 86, 187)
HSL	hsl(229, 49%, 49%)
HSV	hsv(229, 66%, 73%)
CMYK	cmyk(65.8%, 54%, 0%, 26.7%)
CIE-LAB	lab(40.13, 24.65, -55.89)
CIE-LCH	lch(40.13, 61.08, 293.80°)
OKLab	oklab(49.32% 0.0007 -0.1606)
OKLCH	oklch(49.32% 0.161 270.2)
XYZ	xyz(14.4087, 11.3321, 48.4321)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056BB #BBA540

analogous

#4094BB #4056BB #6840BB

triadic

#4056BB #BB4056 #56BB40

tetradic

#4056BB #BB4094 #BBA540 #40BB68

square

#4056BB #BB4094 #BBA540 #40BB68

split-complementary

#4056BB #BB6840 #94BB40

monochromatic

#212C60 #30418D #4056BB #6C7DCD #99A5DC

Accessibility & contrast

On white

6.43

#4056BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4056BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056BB

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056BB	#FFFFFF	#000000	##FFFFFF
##4056BB	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D64BF

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4056bb;
/* rgb */ color: rgb(64, 86, 187);
/* oklch */ color: oklch(49.3% 0.161 270.2);

Tailwind

colors: {
  custom: {
    50: '#8285d0',
    500: '#4056bb',
    950: '#000000',
  },
}

SCSS

$custom: #4056bb;
$custom-light: #8285d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4056bb",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 229.268,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49323,
    "c": 0.16057,
    "h": 270.2
  },
  "luminance": 0.11333
}

Semantic roles & 50–950 ramp

primary

#4056BB

secondary

#C8BE8F

accent

#C04FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4056BB

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

Preview Lab → · Contrast checker → · Palette generator →