#4666D1#4666D1

#4666D1 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.169 H 267.9°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4666D1
RGB	rgb(70, 102, 209)
HSL	hsl(226, 60%, 55%)
HSV	hsv(226, 67%, 82%)
CMYK	cmyk(66.5%, 51.2%, 0%, 18%)
CIE-LAB	lab(46.19, 23.19, -58.81)
CIE-LCH	lch(46.19, 63.22, 291.52°)
OKLab	oklab(54.46% -0.0062 -0.1688)
OKLCH	oklch(54.46% 0.169 267.9)
XYZ	xyz(18.7818, 15.4065, 62.2932)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666D1 #D1B146

analogous

#46ACD1 #4666D1 #6C46D1

triadic

#4666D1 #D14666 #66D146

tetradic

#4666D1 #D146AC #D1B146 #46D16C

square

#4666D1 #D146AC #D1B146 #46D16C

split-complementary

#4666D1 #D16C46 #ACD146

monochromatic

#1F357D #2B4AAE #4666D1 #778FDD #A8B7E9

Accessibility & contrast

On white

5.15

#4666D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#4666D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666D1

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666D1	#FFFFFF	#000000	##FFFFFF
##4666D1	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2574D5

Deuteranopia (green-blind)

#0067CF

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4666d1;
/* rgb */ color: rgb(70, 102, 209);
/* oklch */ color: oklch(54.5% 0.169 267.9);

Tailwind

colors: {
  custom: {
    50: '#8891e0',
    500: '#4666d1',
    950: '#000000',
  },
}

SCSS

$custom: #4666d1;
$custom-light: #8891e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4666d1",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 209
  },
  "hsl": {
    "h": 226.187,
    "s": 60.173,
    "l": 54.706
  },
  "oklch": {
    "l": 0.54458,
    "c": 0.16894,
    "h": 267.9
  },
  "luminance": 0.15408
}

Semantic roles & 50–950 ramp

primary

#4666D1

secondary

#D7C99C

accent

#BF44E3

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4666D1

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

Preview Lab → · Contrast checker → · Palette generator →