#4066CA#4066CA

#4066CA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.161 H 265.6°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#4066CA
RGB	rgb(64, 102, 202)
HSL	hsl(223, 57%, 52%)
HSV	hsv(223, 68%, 79%)
CMYK	cmyk(68.3%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(45.44, 19.76, -56.03)
CIE-LCH	lch(45.44, 59.41, 289.43°)
OKLab	oklab(53.66% -0.0124 -0.1607)
OKLCH	oklch(53.66% 0.161 265.6)
XYZ	xyz(17.5227, 14.8553, 57.8096)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066CA #CAA440

analogous

#40ABCA #4066CA #5F40CA

triadic

#4066CA #CA4066 #66CA40

tetradic

#4066CA #CA40AB #CAA440 #40CA5F

square

#4066CA #CA40AB #CAA440 #40CA5F

split-complementary

#4066CA #CA5F40 #ABCA40

monochromatic

#1F3670 #2C4CA0 #4066CA #708CD7 #A0B3E5

Accessibility & contrast

On white

5.29

#4066CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#4066CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066CA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066CA	#FFFFFF	#000000	##FFFFFF
##4066CA	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D72CE

Deuteranopia (green-blind)

#0066C8

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4066ca;
/* rgb */ color: rgb(64, 102, 202);
/* oklch */ color: oklch(53.7% 0.161 265.6);

Tailwind

colors: {
  custom: {
    50: '#8491db',
    500: '#4066ca',
    950: '#000000',
  },
}

SCSS

$custom: #4066ca;
$custom-light: #8491db;
$custom-dark: #000000;

JSON

{
  "hex": "#4066ca",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 223.478,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53662,
    "c": 0.16122,
    "h": 265.6
  },
  "luminance": 0.14857
}

Semantic roles & 50–950 ramp

primary

#4066CA

secondary

#D1C095

accent

#B648E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4066CA

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

Preview Lab → · Contrast checker → · Palette generator →