#4066CD#4066CD

#4066CD is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.165 H 265.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4066CD
RGB	rgb(64, 102, 205)
HSL	hsl(224, 59%, 53%)
HSV	hsv(224, 69%, 80%)
CMYK	cmyk(68.8%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(45.63, 20.84, -57.43)
CIE-LCH	lch(45.63, 61.10, 289.95°)
OKLab	oklab(53.87% -0.012 -0.1649)
OKLCH	oklch(53.87% 0.165 265.8)
XYZ	xyz(17.8813, 14.9987, 59.6985)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066CD #CDA740

analogous

#40ACCD #4066CD #6140CD

triadic

#4066CD #CD4066 #66CD40

tetradic

#4066CD #CD40AC #CDA740 #40CD61

square

#4066CD #CD40AC #CDA740 #40CD61

split-complementary

#4066CD #CD6140 #ACCD40

monochromatic

#1E3674 #2B4CA5 #4066CD #718DDA #A1B4E6

Accessibility & contrast

On white

5.25

#4066CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#4066CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066CD

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066CD	#FFFFFF	#000000	##FFFFFF
##4066CD	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2973D1

Deuteranopia (green-blind)

#0066CB

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4066cd;
/* rgb */ color: rgb(64, 102, 205);
/* oklch */ color: oklch(53.9% 0.165 265.8);

Tailwind

colors: {
  custom: {
    50: '#8591dd',
    500: '#4066cd',
    950: '#000000',
  },
}

SCSS

$custom: #4066cd;
$custom-light: #8591dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4066cd",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 223.83,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53875,
    "c": 0.16532,
    "h": 265.8
  },
  "luminance": 0.15001
}

Semantic roles & 50–950 ramp

primary

#4066CD

secondary

#D3C296

accent

#B846E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4066CD

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

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