#4F66D7#4F66D7

#4F66D7 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.174 H 271.0°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4F66D7
RGB	rgb(79, 102, 215)
HSL	hsl(230, 63%, 58%)
HSV	hsv(230, 63%, 84%)
CMYK	cmyk(63.3%, 52.6%, 0%, 15.7%)
CIE-LAB	lab(47.07, 26.73, -60.79)
CIE-LCH	lch(47.07, 66.41, 293.74°)
OKLab	oklab(55.38% 0.003 -0.1745)
OKLCH	oklch(55.38% 0.174 271)
XYZ	xyz(20.2374, 16.0695, 66.3121)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66D7 #D7C04F

analogous

#4FAAD7 #4F66D7 #7C4FD7

triadic

#4F66D7 #D74F66 #66D74F

tetradic

#4F66D7 #D74FAA #D7C04F #4FD77C

square

#4F66D7 #D74FAA #D7C04F #4FD77C

split-complementary

#4F66D7 #D77C4F #AAD74F

monochromatic

#20328C #2B44BE #4F66D7 #8191E2 #B3BDEE

Accessibility & contrast

On white

4.98

#4F66D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#4F66D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66D7

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66D7	#FFFFFF	#000000	##FFFFFF
##4F66D7	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D76DB

Deuteranopia (green-blind)

#006AD5

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4f66d7;
/* rgb */ color: rgb(79, 102, 215);
/* oklch */ color: oklch(55.4% 0.174 271.0);

Tailwind

colors: {
  custom: {
    50: '#8e91e4',
    500: '#4f66d7',
    950: '#000000',
  },
}

SCSS

$custom: #4f66d7;
$custom-light: #8e91e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66d7",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 215
  },
  "hsl": {
    "h": 229.853,
    "s": 62.963,
    "l": 57.647
  },
  "oklch": {
    "l": 0.55379,
    "c": 0.17449,
    "h": 271
  },
  "luminance": 0.16071
}

Semantic roles & 50–950 ramp

primary

#4F66D7

secondary

#DCD3A6

accent

#CA42E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4F66D7

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

Preview Lab → · Contrast checker → · Palette generator →