#4066C7#4066C7

#4066C7 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.5% C 0.157 H 265.3°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4066C7
RGB	rgb(64, 102, 199)
HSL	hsl(223, 55%, 52%)
HSV	hsv(223, 68%, 78%)
CMYK	cmyk(67.8%, 48.7%, 0%, 22%)
CIE-LAB	lab(45.24, 18.68, -54.61)
CIE-LCH	lch(45.24, 57.72, 288.89°)
OKLab	oklab(53.45% -0.0127 -0.1566)
OKLCH	oklch(53.45% 0.157 265.3)
XYZ	xyz(17.1709, 14.7146, 55.9570)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066C7 #C7A140

analogous

#40AAC7 #4066C7 #5E40C7

triadic

#4066C7 #C74066 #66C740

tetradic

#4066C7 #C740AA #C7A140 #40C75E

square

#4066C7 #C740AA #C7A140 #40C75E

split-complementary

#4066C7 #C75E40 #AAC740

monochromatic

#20366D #2E4D9C #4066C7 #6F8CD5 #9FB2E3

Accessibility & contrast

On white

5.33

#4066C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#4066C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066C7

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066C7	#FFFFFF	#000000	##FFFFFF
##4066C7	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3172CB

Deuteranopia (green-blind)

#0A65C5

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4066c7;
/* rgb */ color: rgb(64, 102, 199);
/* oklch */ color: oklch(53.5% 0.157 265.3);

Tailwind

colors: {
  custom: {
    50: '#8491d9',
    500: '#4066c7',
    950: '#000000',
  },
}

SCSS

$custom: #4066c7;
$custom-light: #8491d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4066c7",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 199
  },
  "hsl": {
    "h": 223.111,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53451,
    "c": 0.15711,
    "h": 265.3
  },
  "luminance": 0.14716
}

Semantic roles & 50–950 ramp

primary

#4066C7

secondary

#CFBE94

accent

#B44ADE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4066C7

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

Preview Lab → · Contrast checker → · Palette generator →