#4F66D5#4F66D5

#4F66D5 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.2% C 0.172 H 271.0°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4F66D5
RGB	rgb(79, 102, 213)
HSL	hsl(230, 61%, 57%)
HSV	hsv(230, 63%, 84%)
CMYK	cmyk(62.9%, 52.1%, 0%, 16.5%)
CIE-LAB	lab(46.93, 26.05, -59.87)
CIE-LCH	lch(46.93, 65.29, 293.51°)
OKLab	oklab(55.24% 0.0029 -0.1718)
OKLCH	oklch(55.24% 0.172 271)
XYZ	xyz(19.9820, 15.9674, 64.9669)
Luminance	0.1597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66D5 #D5BE4F

analogous

#4FA9D5 #4F66D5 #7B4FD5

triadic

#4F66D5 #D54F66 #66D54F

tetradic

#4F66D5 #D54FA9 #D5BE4F #4FD57B

square

#4F66D5 #D54FA9 #D5BE4F #4FD57B

split-complementary

#4F66D5 #D57B4F #A9D54F

monochromatic

#213389 #2C45BA #4F66D5 #8091E1 #B2BCED

Accessibility & contrast

On white

5.01

#4F66D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#4F66D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66D5

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66D5	#FFFFFF	#000000	##FFFFFF
##4F66D5	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2175D9

Deuteranopia (green-blind)

#006AD3

Tritanopia (blue-blind)

#008094

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4f66d5;
/* rgb */ color: rgb(79, 102, 213);
/* oklch */ color: oklch(55.2% 0.172 271.0);

Tailwind

colors: {
  custom: {
    50: '#8d91e3',
    500: '#4f66d5',
    950: '#000000',
  },
}

SCSS

$custom: #4f66d5;
$custom-light: #8d91e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66d5",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 213
  },
  "hsl": {
    "h": 229.701,
    "s": 61.468,
    "l": 57.255
  },
  "oklch": {
    "l": 0.55235,
    "c": 0.17177,
    "h": 271
  },
  "luminance": 0.15969
}

Semantic roles & 50–950 ramp

primary

#4F66D5

secondary

#DBD2A5

accent

#C943E5

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C15

muted

#7E7D84

Preview Lab

Preview with #4F66D5

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

Preview Lab → · Contrast checker → · Palette generator →