#4666E9#4666E9

#4666E9 is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.3% C 0.201 H 268.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4666E9
RGB	rgb(70, 102, 233)
HSL	hsl(228, 79%, 59%)
HSV	hsv(228, 70%, 91%)
CMYK	cmyk(70%, 56.2%, 0%, 8.6%)
CIE-LAB	lab(47.86, 31.64, -69.71)
CIE-LCH	lch(47.86, 76.56, 294.41°)
OKLab	oklab(56.25% -0.0047 -0.2009)
OKLCH	oklch(56.25% 0.201 268.7)
XYZ	xyz(21.9801, 16.6858, 79.1373)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4666E9 #E9C946

analogous

#46B8E9 #4666E9 #7846E9

triadic

#4666E9 #E94666 #66E946

tetradic

#4666E9 #E946B8 #E9C946 #46E978

square

#4666E9 #E946B8 #E9C946 #46E978

split-complementary

#4666E9 #E97846 #B8E946

monochromatic

#132FA1 #1A3FD8 #4666E9 #7D93F0 #B3C0F6

Accessibility & contrast

On white

4.84

#4666E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4666E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4666E9

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4666E9	#FFFFFF	#000000	##FFFFFF
##4666E9	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079ED

Deuteranopia (green-blind)

#006AE6

Tritanopia (blue-blind)

#00869E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4666e9;
/* rgb */ color: rgb(70, 102, 233);
/* oklch */ color: oklch(56.3% 0.201 268.7);

Tailwind

colors: {
  custom: {
    50: '#8d91f1',
    500: '#4666e9',
    950: '#000000',
  },
}

SCSS

$custom: #4666e9;
$custom-light: #8d91f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4666e9",
  "rgb": {
    "r": 70,
    "g": 102,
    "b": 233
  },
  "hsl": {
    "h": 228.221,
    "s": 78.744,
    "l": 59.412
  },
  "oklch": {
    "l": 0.56251,
    "c": 0.20094,
    "h": 268.7
  },
  "luminance": 0.16688
}

Semantic roles & 50–950 ramp

primary

#4666E9

secondary

#E5D9A6

accent

#CF33F5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #4666E9

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

Preview Lab → · Contrast checker → · Palette generator →