#4C66AC#4C66AC

#4C66AC is a mid, moderate blue. Relative luminance 0.140; OKLCH L 52.3% C 0.115 H 267.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4C66AC
RGB	rgb(76, 102, 172)
HSL	hsl(224, 39%, 49%)
HSV	hsv(224, 56%, 67%)
CMYK	cmyk(55.8%, 40.7%, 0%, 32.5%)
CIE-LAB	lab(44.26, 11.53, -40.45)
CIE-LCH	lch(44.26, 42.06, 285.90°)
OKLab	oklab(52.35% -0.0059 -0.1147)
OKLCH	oklch(52.35% 0.115 267)
XYZ	xyz(15.1758, 14.0167, 40.9275)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66AC #AC924C

analogous

#4C96AC #4C66AC #624CAC

triadic

#4C66AC #AC4C66 #66AC4C

tetradic

#4C66AC #AC4C96 #AC924C #4CAC62

square

#4C66AC #AC4C96 #AC924C #4CAC62

split-complementary

#4C66AC #AC624C #96AC4C

monochromatic

#263457 #394D82 #4C66AC #7489C1 #9EADD4

Accessibility & contrast

On white

5.52

#4C66AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4C66AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66AC

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66AC	#FFFFFF	#000000	##FFFFFF
##4C66AC	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#496DAF

Deuteranopia (green-blind)

#3D65AA

Tritanopia (blue-blind)

#147580

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4c66ac;
/* rgb */ color: rgb(76, 102, 172);
/* oklch */ color: oklch(52.3% 0.115 267.0);

Tailwind

colors: {
  custom: {
    50: '#8591c5',
    500: '#4c66ac',
    950: '#000000',
  },
}

SCSS

$custom: #4c66ac;
$custom-light: #8591c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66ac",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 172
  },
  "hsl": {
    "h": 223.75,
    "s": 38.71,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52345,
    "c": 0.1149,
    "h": 267
  },
  "luminance": 0.14018
}

Semantic roles & 50–950 ramp

primary

#4C66AC

secondary

#C1B493

accent

#AF59CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4C66AC

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

Preview Lab → · Contrast checker → · Palette generator →