#4052BF#4052BF

#4052BF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.171 H 271.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4052BF
RGB	rgb(64, 82, 191)
HSL	hsl(231, 50%, 50%)
HSV	hsv(231, 66%, 75%)
CMYK	cmyk(66.5%, 57.1%, 0%, 25.1%)
CIE-LAB	lab(39.39, 28.63, -59.44)
CIE-LCH	lch(39.39, 65.97, 295.72°)
OKLab	oklab(48.85% 0.0044 -0.1711)
OKLCH	oklch(48.85% 0.171 271.5)
XYZ	xyz(14.5324, 10.8848, 50.6152)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4052BF #BFAD40

analogous

#4092BF #4052BF #6D40BF

triadic

#4052BF #BF4052 #52BF40

tetradic

#4052BF #BF4092 #BFAD40 #40BF6D

square

#4052BF #BF4092 #BFAD40 #40BF6D

split-complementary

#4052BF #BF6D40 #92BF40

monochromatic

#212B63 #313E91 #4052BF #6E7CCE #9CA5DE

Accessibility & contrast

On white

6.61

#4052BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4052BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4052BF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4052BF	#FFFFFF	#000000	##FFFFFF
##4052BF	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4052bf;
/* rgb */ color: rgb(64, 82, 191);
/* oklch */ color: oklch(48.9% 0.171 271.5);

Tailwind

colors: {
  custom: {
    50: '#8382d3',
    500: '#4052bf',
    950: '#000000',
  },
}

SCSS

$custom: #4052bf;
$custom-light: #8382d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4052bf",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 191
  },
  "hsl": {
    "h": 231.496,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.48854,
    "c": 0.17112,
    "h": 271.5
  },
  "luminance": 0.10886
}

Semantic roles & 50–950 ramp

primary

#4052BF

secondary

#CAC291

accent

#C64ED9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4052BF

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

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