#4F66DC#4F66DC

#4F66DC is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.181 H 271.0°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4F66DC
RGB	rgb(79, 102, 220)
HSL	hsl(230, 67%, 59%)
HSV	hsv(230, 64%, 86%)
CMYK	cmyk(64.1%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(47.41, 28.44, -63.09)
CIE-LCH	lch(47.41, 69.20, 294.27°)
OKLab	oklab(55.74% 0.0033 -0.1812)
OKLCH	oklch(55.74% 0.181 271)
XYZ	xyz(20.8897, 16.3305, 69.7475)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66DC #DCC54F

analogous

#4FACDC #4F66DC #7E4FDC

triadic

#4F66DC #DC4F66 #66DC4F

tetradic

#4F66DC #DC4FAC #DCC54F #4FDC7E

square

#4F66DC #DC4FAC #DCC54F #4FDC7E

split-complementary

#4F66DC #DC7E4F #ACDC4F

monochromatic

#1D3193 #2741C6 #4F66DC #8292E6 #B5BFF0

Accessibility & contrast

On white

4.92

#4F66DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#4F66DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66DC

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66DC	#FFFFFF	#000000	##FFFFFF
##4F66DC	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1077E0

Deuteranopia (green-blind)

#006ADA

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4f66dc;
/* rgb */ color: rgb(79, 102, 220);
/* oklch */ color: oklch(55.7% 0.181 271.0);

Tailwind

colors: {
  custom: {
    50: '#8e91e8',
    500: '#4f66dc',
    950: '#000000',
  },
}

SCSS

$custom: #4f66dc;
$custom-light: #8e91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66dc",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 230.213,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55742,
    "c": 0.18124,
    "h": 271
  },
  "luminance": 0.16332
}

Semantic roles & 50–950 ramp

primary

#4F66DC

secondary

#DFD6A8

accent

#CE3EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F66DC

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

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