#4066C8#4066C8

#4066C8 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.158 H 265.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4066C8
RGB	rgb(64, 102, 200)
HSL	hsl(223, 55%, 52%)
HSV	hsv(223, 68%, 78%)
CMYK	cmyk(68%, 49%, 0%, 21.6%)
CIE-LAB	lab(45.31, 19.04, -55.08)
CIE-LCH	lch(45.31, 58.28, 289.07°)
OKLab	oklab(53.52% -0.0126 -0.158)
OKLCH	oklch(53.52% 0.158 265.4)
XYZ	xyz(17.2874, 14.7612, 56.5705)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066C8 #C8A240

analogous

#40AAC8 #4066C8 #5E40C8

triadic

#4066C8 #C84066 #66C840

tetradic

#4066C8 #C840AA #C8A240 #40C85E

square

#4066C8 #C840AA #C8A240 #40C85E

split-complementary

#4066C8 #C85E40 #AAC840

monochromatic

#20366E #2D4D9D #4066C8 #708CD6 #9FB2E3

Accessibility & contrast

On white

5.31

#4066C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4066C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066C8

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066C8	#FFFFFF	#000000	##FFFFFF
##4066C8	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3072CC

Deuteranopia (green-blind)

#0565C6

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4066c8;
/* rgb */ color: rgb(64, 102, 200);
/* oklch */ color: oklch(53.5% 0.158 265.4);

Tailwind

colors: {
  custom: {
    50: '#8491d9',
    500: '#4066c8',
    950: '#000000',
  },
}

SCSS

$custom: #4066c8;
$custom-light: #8491d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4066c8",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 223.235,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.53521,
    "c": 0.15847,
    "h": 265.4
  },
  "luminance": 0.14763
}

Semantic roles & 50–950 ramp

primary

#4066C8

secondary

#D0BF94

accent

#B549DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4066C8

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

Preview Lab → · Contrast checker → · Palette generator →