#4066CE#4066CE

#4066CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.167 H 265.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4066CE
RGB	rgb(64, 102, 206)
HSL	hsl(224, 59%, 53%)
HSV	hsv(224, 69%, 81%)
CMYK	cmyk(68.9%, 50.5%, 0%, 19.2%)
CIE-LAB	lab(45.70, 21.20, -57.90)
CIE-LCH	lch(45.70, 61.66, 290.11°)
OKLab	oklab(53.95% -0.0119 -0.1662)
OKLCH	oklch(53.95% 0.167 265.9)
XYZ	xyz(18.0024, 15.0472, 60.3362)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066CE #CEA840

analogous

#40ADCE #4066CE #6140CE

triadic

#4066CE #CE4066 #66CE40

tetradic

#4066CE #CE40AD #CEA840 #40CE61

square

#4066CE #CE40AD #CEA840 #40CE61

split-complementary

#4066CE #CE6140 #ADCE40

monochromatic

#1E3675 #2B4CA6 #4066CE #718DDA #A1B4E7

Accessibility & contrast

On white

5.24

#4066CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#4066CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066CE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066CE	#FFFFFF	#000000	##FFFFFF
##4066CE	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2873D2

Deuteranopia (green-blind)

#0066CC

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4066ce;
/* rgb */ color: rgb(64, 102, 206);
/* oklch */ color: oklch(53.9% 0.167 265.9);

Tailwind

colors: {
  custom: {
    50: '#8591de',
    500: '#4066ce',
    950: '#000000',
  },
}

SCSS

$custom: #4066ce;
$custom-light: #8591de;
$custom-dark: #000000;

JSON

{
  "hex": "#4066ce",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 223.944,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53947,
    "c": 0.16668,
    "h": 265.9
  },
  "luminance": 0.15049
}

Semantic roles & 50–950 ramp

primary

#4066CE

secondary

#D4C396

accent

#B845E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4066CE

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

Preview Lab → · Contrast checker → · Palette generator →