#4066A4#4066A4

#4066A4 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.2% C 0.108 H 259.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4066A4
RGB	rgb(64, 102, 164)
HSL	hsl(217, 44%, 45%)
HSV	hsv(217, 61%, 64%)
CMYK	cmyk(61%, 37.8%, 0%, 35.7%)
CIE-LAB	lab(43.17, 6.25, -37.50)
CIE-LCH	lch(43.17, 38.02, 279.46°)
OKLab	oklab(51.19% -0.0192 -0.1063)
OKLCH	oklch(51.19% 0.108 259.7)
XYZ	xyz(13.5642, 13.2719, 36.9617)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066A4 #A47E40

analogous

#4098A4 #4066A4 #4C40A4

triadic

#4066A4 #A44066 #66A440

tetradic

#4066A4 #A44098 #A47E40 #40A44C

square

#4066A4 #A44098 #A47E40 #40A44C

split-complementary

#4066A4 #A44C40 #98A440

monochromatic

#1E2F4C #2F4B78 #4066A4 #6085C1 #8CA7D2

Accessibility & contrast

On white

5.75

#4066A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4066A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066A4

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066A4	#FFFFFF	#000000	##FFFFFF
##4066A4	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6BA7

Deuteranopia (green-blind)

#3E62A3

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4066a4;
/* rgb */ color: rgb(64, 102, 164);
/* oklch */ color: oklch(51.2% 0.108 259.7);

Tailwind

colors: {
  custom: {
    50: '#7e91bf',
    500: '#4066a4',
    950: '#000000',
  },
}

SCSS

$custom: #4066a4;
$custom-light: #7e91bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4066a4",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 164
  },
  "hsl": {
    "h": 217.2,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51188,
    "c": 0.10808,
    "h": 259.7
  },
  "luminance": 0.13273
}

Semantic roles & 50–950 ramp

primary

#4066A4

secondary

#BDA783

accent

#A354D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #4066A4

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

Preview Lab → · Contrast checker → · Palette generator →