#4066D9#4066D9

#4066D9 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.8% C 0.182 H 266.6°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#4066D9
RGB	rgb(64, 102, 217)
HSL	hsl(225, 67%, 55%)
HSV	hsv(225, 71%, 85%)
CMYK	cmyk(70.5%, 53%, 0%, 14.9%)
CIE-LAB	lab(46.45, 25.16, -62.97)
CIE-LCH	lch(46.45, 67.81, 291.78°)
OKLab	oklab(54.75% -0.0109 -0.1812)
OKLCH	oklch(54.75% 0.182 266.6)
XYZ	xyz(19.3857, 15.6005, 67.6217)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066D9 #D9B340

analogous

#40B2D9 #4066D9 #6640D9

triadic

#4066D9 #D94066 #66D940

tetradic

#4066D9 #D940B2 #D9B340 #40D966

square

#4066D9 #D940B2 #D9B340 #40D966

split-complementary

#4066D9 #D96640 #B2D940

monochromatic

#1A3584 #2449B7 #4066D9 #738FE3 #A6B8ED

Accessibility & contrast

On white

5.10

#4066D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#4066D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066D9

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066D9	#FFFFFF	#000000	##FFFFFF
##4066D9	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1175DD

Deuteranopia (green-blind)

#0067D7

Tritanopia (blue-blind)

#008296

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4066d9;
/* rgb */ color: rgb(64, 102, 217);
/* oklch */ color: oklch(54.8% 0.182 266.6);

Tailwind

colors: {
  custom: {
    50: '#8791e5',
    500: '#4066d9',
    950: '#000000',
  },
}

SCSS

$custom: #4066d9;
$custom-light: #8791e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4066d9",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 217
  },
  "hsl": {
    "h": 225.098,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.54751,
    "c": 0.18151,
    "h": 266.6
  },
  "luminance": 0.15602
}

Semantic roles & 50–950 ramp

primary

#4066D9

secondary

#DACB9A

accent

#BF3EEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4066D9

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

Preview Lab → · Contrast checker → · Palette generator →