#4C66E6#4C66E6

#4C66E6 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.3% C 0.195 H 270.2°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4C66E6
RGB	rgb(76, 102, 230)
HSL	hsl(230, 75%, 60%)
HSV	hsv(230, 67%, 90%)
CMYK	cmyk(67%, 55.7%, 0%, 9.8%)
CIE-LAB	lab(47.94, 31.42, -67.88)
CIE-LCH	lch(47.94, 74.80, 294.84°)
OKLab	oklab(56.33% 0.0008 -0.1954)
OKLCH	oklch(56.33% 0.195 270.2)
XYZ	xyz(22.0099, 16.7503, 76.9208)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66E6 #E6CC4C

analogous

#4CB3E6 #4C66E6 #7F4CE6

triadic

#4C66E6 #E64C66 #66E64C

tetradic

#4C66E6 #E64CB3 #E6CC4C #4CE67F

square

#4C66E6 #E64CB3 #E6CC4C #4CE67F

split-complementary

#4C66E6 #E67F4C #B3E64C

monochromatic

#172EA1 #1E3DD7 #4C66E6 #8294ED #B7C2F5

Accessibility & contrast

On white

4.83

#4C66E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#4C66E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66E6

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66E6	#FFFFFF	#000000	##FFFFFF
##4C66E6	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079EA

Deuteranopia (green-blind)

#006BE3

Tritanopia (blue-blind)

#00859C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4c66e6;
/* rgb */ color: rgb(76, 102, 230);
/* oklch */ color: oklch(56.3% 0.195 270.2);

Tailwind

colors: {
  custom: {
    50: '#8f91ef',
    500: '#4c66e6',
    950: '#000000',
  },
}

SCSS

$custom: #4c66e6;
$custom-light: #8f91ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66e6",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 230
  },
  "hsl": {
    "h": 229.87,
    "s": 75.49,
    "l": 60
  },
  "oklch": {
    "l": 0.56325,
    "c": 0.19537,
    "h": 270.2
  },
  "luminance": 0.16752
}

Semantic roles & 50–950 ramp

primary

#4C66E6

secondary

#E5DBA9

accent

#D236F2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #4C66E6

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

Preview Lab → · Contrast checker → · Palette generator →