#4D66DB#4D66DB

#4D66DB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.6% C 0.180 H 270.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4D66DB
RGB	rgb(77, 102, 219)
HSL	hsl(229, 66%, 58%)
HSV	hsv(229, 65%, 86%)
CMYK	cmyk(64.8%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(47.23, 27.78, -62.81)
CIE-LCH	lch(47.23, 68.68, 293.86°)
OKLab	oklab(55.56% 0.0013 -0.1804)
OKLCH	oklch(55.56% 0.18 270.4)
XYZ	xyz(20.5938, 16.1931, 69.0444)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66DB #DBC24D

analogous

#4DADDB #4D66DB #7B4DDB

triadic

#4D66DB #DB4D66 #66DB4D

tetradic

#4D66DB #DB4DAD #DBC24D #4DDB7B

square

#4D66DB #DB4DAD #DBC24D #4DDB7B

split-complementary

#4D66DB #DB7B4D #ADDB4D

monochromatic

#1D3190 #2743C3 #4D66DB #8092E5 #B3BEF0

Accessibility & contrast

On white

4.95

#4D66DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#4D66DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66DB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66DB	#FFFFFF	#000000	##FFFFFF
##4D66DB	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1277DF

Deuteranopia (green-blind)

#006AD9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4d66db;
/* rgb */ color: rgb(77, 102, 219);
/* oklch */ color: oklch(55.6% 0.180 270.4);

Tailwind

colors: {
  custom: {
    50: '#8d91e7',
    500: '#4d66db',
    950: '#000000',
  },
}

SCSS

$custom: #4d66db;
$custom-light: #8d91e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66db",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 229.437,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.55557,
    "c": 0.18045,
    "h": 270.4
  },
  "luminance": 0.16195
}

Semantic roles & 50–950 ramp

primary

#4D66DB

secondary

#DED4A6

accent

#CB3FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4D66DB

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

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