#4D66CE#4D66CE

#4D66CE is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.6% C 0.163 H 270.1°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4D66CE
RGB	rgb(77, 102, 206)
HSL	hsl(228, 57%, 55%)
HSV	hsv(228, 63%, 81%)
CMYK	cmyk(62.6%, 50.5%, 0%, 19.2%)
CIE-LAB	lab(46.36, 23.30, -56.80)
CIE-LCH	lch(46.36, 61.39, 292.31°)
OKLab	oklab(54.63% 0.0002 -0.1627)
OKLCH	oklch(54.63% 0.163 270.1)
XYZ	xyz(18.9488, 15.5351, 60.3806)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66CE #CEB54D

analogous

#4DA6CE #4D66CE #744DCE

triadic

#4D66CE #CE4D66 #66CE4D

tetradic

#4D66CE #CE4DA6 #CEB54D #4DCE74

square

#4D66CE #CE4DA6 #CEB54D #4DCE74

split-complementary

#4D66CE #CE744D #A6CE4D

monochromatic

#23347E #3048AE #4D66CE #7D8FDB #ADB8E8

Accessibility & contrast

On white

5.11

#4D66CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#4D66CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66CE

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66CE	#FFFFFF	#000000	##FFFFFF
##4D66CE	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C74D2

Deuteranopia (green-blind)

#0368CC

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4d66ce;
/* rgb */ color: rgb(77, 102, 206);
/* oklch */ color: oklch(54.6% 0.163 270.1);

Tailwind

colors: {
  custom: {
    50: '#8b91de',
    500: '#4d66ce',
    950: '#000000',
  },
}

SCSS

$custom: #4d66ce;
$custom-light: #8b91de;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66ce",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 228.372,
    "s": 56.828,
    "l": 55.49
  },
  "oklch": {
    "l": 0.54625,
    "c": 0.16275,
    "h": 270.1
  },
  "luminance": 0.15537
}

Semantic roles & 50–950 ramp

primary

#4D66CE

secondary

#D6CCA1

accent

#C348E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D66CE

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

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