#4066DB#4066DB

#4066DB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.9% C 0.184 H 266.7°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4066DB
RGB	rgb(64, 102, 219)
HSL	hsl(225, 68%, 55%)
HSV	hsv(225, 71%, 86%)
CMYK	cmyk(70.8%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(46.59, 25.87, -63.88)
CIE-LCH	lch(46.59, 68.92, 292.05°)
OKLab	oklab(54.9% -0.0107 -0.1839)
OKLCH	oklch(54.9% 0.184 266.7)
XYZ	xyz(19.6475, 15.7052, 69.0000)
Luminance	0.1571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066DB #DBB540

analogous

#40B4DB #4066DB #6740DB

triadic

#4066DB #DB4066 #66DB40

tetradic

#4066DB #DB40B4 #DBB540 #40DB67

square

#4066DB #DB40B4 #DBB540 #40DB67

split-complementary

#4066DB #DB6740 #B4DB40

monochromatic

#193487 #2348BB #4066DB #738FE5 #A7B8EE

Accessibility & contrast

On white

5.07

#4066DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#4066DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066DB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066DB	#FFFFFF	#000000	##FFFFFF
##4066DB	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0876DF

Deuteranopia (green-blind)

#0068D9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4066db;
/* rgb */ color: rgb(64, 102, 219);
/* oklch */ color: oklch(54.9% 0.184 266.7);

Tailwind

colors: {
  custom: {
    50: '#8891e7',
    500: '#4066db',
    950: '#000000',
  },
}

SCSS

$custom: #4066db;
$custom-light: #8891e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4066db",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 225.29,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.549,
    "c": 0.18417,
    "h": 266.7
  },
  "luminance": 0.15707
}

Semantic roles & 50–950 ramp

primary

#4066DB

secondary

#DCCC9B

accent

#C03DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4066DB

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

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