#4C66CA#4C66CA

#4C66CA is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.3% C 0.158 H 269.6°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4C66CA
RGB	rgb(76, 102, 202)
HSL	hsl(228, 54%, 55%)
HSV	hsv(228, 62%, 79%)
CMYK	cmyk(62.4%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(46.05, 21.75, -55.01)
CIE-LCH	lch(46.05, 59.16, 291.57°)
OKLab	oklab(54.29% -0.0012 -0.1575)
OKLCH	oklch(54.29% 0.158 269.6)
XYZ	xyz(18.3889, 15.3019, 57.8502)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66CA #CAB04C

analogous

#4CA5CA #4C66CA #714CCA

triadic

#4C66CA #CA4C66 #66CA4C

tetradic

#4C66CA #CA4CA5 #CAB04C #4CCA71

square

#4C66CA #CA4CA5 #CAB04C #4CCA71

split-complementary

#4C66CA #CA714C #A5CA4C

monochromatic

#243578 #324AA7 #4C66CA #7B8ED8 #AAB7E6

Accessibility & contrast

On white

5.17

#4C66CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4C66CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66CA

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66CA	#FFFFFF	#000000	##FFFFFF
##4C66CA	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)

#3073CE

Deuteranopia (green-blind)

#1268C8

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4c66ca;
/* rgb */ color: rgb(76, 102, 202);
/* oklch */ color: oklch(54.3% 0.158 269.6);

Tailwind

colors: {
  custom: {
    50: '#8a91db',
    500: '#4c66ca',
    950: '#000000',
  },
}

SCSS

$custom: #4c66ca;
$custom-light: #8a91db;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66ca",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 227.619,
    "s": 54.31,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5429,
    "c": 0.15752,
    "h": 269.6
  },
  "luminance": 0.15304
}

Semantic roles & 50–950 ramp

primary

#4C66CA

secondary

#D4C99E

accent

#BF4ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C66CA

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

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