#4A66CC#4A66CC

#4A66CC is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.3% C 0.161 H 269.0°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4A66CC
RGB	rgb(74, 102, 204)
HSL	hsl(227, 56%, 55%)
HSV	hsv(227, 64%, 80%)
CMYK	cmyk(63.7%, 50%, 0%, 20%)
CIE-LAB	lab(46.06, 22.09, -56.13)
CIE-LCH	lch(46.06, 60.33, 291.48°)
OKLab	oklab(54.32% -0.0029 -0.1609)
OKLCH	oklch(54.32% 0.161 269)
XYZ	xyz(18.4708, 15.3166, 59.0980)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66CC #CCB04A

analogous

#4AA7CC #4A66CC #6F4ACC

triadic

#4A66CC #CC4A66 #66CC4A

tetradic

#4A66CC #CC4AA7 #CCB04A #4ACC6F

square

#4A66CC #CC4AA7 #CCB04A #4ACC6F

split-complementary

#4A66CC #CC6F4A #A7CC4A

monochromatic

#223579 #304AA9 #4A66CC #7A8ED9 #A9B7E7

Accessibility & contrast

On white

5.17

#4A66CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4A66CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66CC

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66CC	#FFFFFF	#000000	##FFFFFF
##4A66CC	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73D0

Deuteranopia (green-blind)

#0668CA

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4a66cc;
/* rgb */ color: rgb(74, 102, 204);
/* oklch */ color: oklch(54.3% 0.161 269.0);

Tailwind

colors: {
  custom: {
    50: '#8991dc',
    500: '#4a66cc',
    950: '#000000',
  },
}

SCSS

$custom: #4a66cc;
$custom-light: #8991dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66cc",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 227.077,
    "s": 56.034,
    "l": 54.51
  },
  "oklch": {
    "l": 0.54317,
    "c": 0.16089,
    "h": 269
  },
  "luminance": 0.15318
}

Semantic roles & 50–950 ramp

primary

#4A66CC

secondary

#D4C99D

accent

#BF48DF

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4A66CC

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

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