#4666DB#4666DB

#4666DB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.182 H 268.3°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4666DB
RGB	rgb(70, 102, 219)
HSL	hsl(227, 67%, 57%)
HSV	hsv(227, 68%, 86%)
CMYK	cmyk(68%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(46.87, 26.71, -63.41)
CIE-LCH	lch(46.87, 68.81, 292.84°)
OKLab	oklab(55.19% -0.0054 -0.1824)
OKLCH	oklch(55.19% 0.182 268.3)
XYZ	xyz(20.0589, 15.9173, 69.0193)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666DB #DBBB46

analogous

#46B1DB #4666DB #7146DB

triadic

#4666DB #DB4666 #66DB46

tetradic

#4666DB #DB46B1 #DBBB46 #46DB71

square

#4666DB #DB46B1 #DBBB46 #46DB71

split-complementary

#4666DB #DB7146 #B1DB46

monochromatic

#1B338B #2546BF #4666DB #7990E5 #ACBBEF

Accessibility & contrast

On white

5.02

#4666DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4666DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666DB

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666DB	#FFFFFF	#000000	##FFFFFF
##4666DB	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D76DF

Deuteranopia (green-blind)

#0069D9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4666db;
/* rgb */ color: rgb(70, 102, 219);
/* oklch */ color: oklch(55.2% 0.182 268.3);

Tailwind

colors: {
  custom: {
    50: '#8a91e7',
    500: '#4666db',
    950: '#000000',
  },
}

SCSS

$custom: #4666db;
$custom-light: #8a91e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4666db",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 227.114,
    "s": 67.421,
    "l": 56.667
  },
  "oklch": {
    "l": 0.55188,
    "c": 0.18245,
    "h": 268.3
  },
  "luminance": 0.15919
}

Semantic roles & 50–950 ramp

primary

#4666DB

secondary

#DDD0A0

accent

#C53DEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4666DB

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

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