#4666CB#4666CB

#4666CB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.161 H 267.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4666CB
RGB	rgb(70, 102, 203)
HSL	hsl(226, 56%, 54%)
HSV	hsv(226, 66%, 80%)
CMYK	cmyk(65.5%, 49.8%, 0%, 20.4%)
CIE-LAB	lab(45.79, 21.07, -56.01)
CIE-LCH	lch(45.79, 59.84, 290.62°)
OKLab	oklab(54.03% -0.0068 -0.1606)
OKLCH	oklch(54.03% 0.161 267.6)
XYZ	xyz(18.0529, 15.1149, 58.4544)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666CB #CBAB46

analogous

#46A8CB #4666CB #6846CB

triadic

#4666CB #CB4666 #66CB46

tetradic

#4666CB #CB46A8 #CBAB46 #46CB68

square

#4666CB #CB46A8 #CBAB46 #46CB68

split-complementary

#4666CB #CB6846 #A8CB46

monochromatic

#213576 #2E4BA5 #4666CB #768ED8 #A6B5E6

Accessibility & contrast

On white

5.22

#4666CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#4666CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666CB

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666CB	#FFFFFF	#000000	##FFFFFF
##4666CB	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E73CF

Deuteranopia (green-blind)

#0267C9

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4666cb;
/* rgb */ color: rgb(70, 102, 203);
/* oklch */ color: oklch(54.0% 0.161 267.6);

Tailwind

colors: {
  custom: {
    50: '#8791db',
    500: '#4666cb',
    950: '#000000',
  },
}

SCSS

$custom: #4666cb;
$custom-light: #8791db;
$custom-dark: #000000;

JSON

{
  "hex": "#4666cb",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 203
  },
  "hsl": {
    "h": 225.564,
    "s": 56.118,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54033,
    "c": 0.16073,
    "h": 267.6
  },
  "luminance": 0.15117
}

Semantic roles & 50–950 ramp

primary

#4666CB

secondary

#D3C59A

accent

#BB48DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4666CB

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

Preview Lab → · Contrast checker → · Palette generator →