#4056BF#4056BF

#4056BF is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.166 H 270.3°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4056BF
RGB	rgb(64, 86, 191)
HSL	hsl(230, 50%, 50%)
HSV	hsv(230, 66%, 75%)
CMYK	cmyk(66.5%, 55%, 0%, 25.1%)
CIE-LAB	lab(40.42, 26.07, -57.76)
CIE-LCH	lch(40.42, 63.37, 294.29°)
OKLab	oklab(49.63% 0.0009 -0.1661)
OKLCH	oklch(49.63% 0.166 270.3)
XYZ	xyz(14.8429, 11.5058, 50.7187)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4056BF #BFA940

analogous

#4096BF #4056BF #6940BF

triadic

#4056BF #BF4056 #56BF40

tetradic

#4056BF #BF4096 #BFA940 #40BF69

square

#4056BF #BF4096 #BFA940 #40BF69

split-complementary

#4056BF #BF6940 #96BF40

monochromatic

#212D63 #314191 #4056BF #6E7FCE #9CA7DE

Accessibility & contrast

On white

6.36

#4056BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4056BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4056BF

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4056BF	#FFFFFF	#000000	##FFFFFF
##4056BF	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4056bf;
/* rgb */ color: rgb(64, 86, 191);
/* oklch */ color: oklch(49.6% 0.166 270.3);

Tailwind

colors: {
  custom: {
    50: '#8385d3',
    500: '#4056bf',
    950: '#000000',
  },
}

SCSS

$custom: #4056bf;
$custom-light: #8385d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4056bf",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 191
  },
  "hsl": {
    "h": 229.606,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.49628,
    "c": 0.16608,
    "h": 270.3
  },
  "luminance": 0.11507
}

Semantic roles & 50–950 ramp

primary

#4056BF

secondary

#CAC091

accent

#C14ED9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4056BF

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

Preview Lab → · Contrast checker → · Palette generator →