#4D66CD#4D66CD

#4D66CD is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.6% C 0.161 H 270.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4D66CD
RGB	rgb(77, 102, 205)
HSL	hsl(228, 56%, 55%)
HSV	hsv(228, 62%, 80%)
CMYK	cmyk(62.4%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(46.29, 22.96, -56.33)
CIE-LCH	lch(46.29, 60.83, 292.18°)
OKLab	oklab(54.56% 0.0001 -0.1614)
OKLCH	oklch(54.56% 0.161 270)
XYZ	xyz(18.8277, 15.4867, 59.7428)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66CD #CDB44D

analogous

#4DA6CD #4D66CD #744DCD

triadic

#4D66CD #CD4D66 #66CD4D

tetradic

#4D66CD #CD4DA6 #CDB44D #4DCD74

square

#4D66CD #CD4DA6 #CDB44D #4DCD74

split-complementary

#4D66CD #CD744D #A6CD4D

monochromatic

#23357D #3049AC #4D66CD #7D8FDA #ADB8E8

Accessibility & contrast

On white

5.12

#4D66CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#4D66CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66CD

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66CD	#FFFFFF	#000000	##FFFFFF
##4D66CD	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D74D1

Deuteranopia (green-blind)

#0868CB

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4d66cd;
/* rgb */ color: rgb(77, 102, 205);
/* oklch */ color: oklch(54.6% 0.161 270.0);

Tailwind

colors: {
  custom: {
    50: '#8b91dd',
    500: '#4d66cd',
    950: '#000000',
  },
}

SCSS

$custom: #4d66cd;
$custom-light: #8b91dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66cd",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 228.281,
    "s": 56.14,
    "l": 55.294
  },
  "oklch": {
    "l": 0.54555,
    "c": 0.16137,
    "h": 270
  },
  "luminance": 0.15488
}

Semantic roles & 50–950 ramp

primary

#4D66CD

secondary

#D6CBA0

accent

#C248DF

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D66CD

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

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