#4F66F8#4F66F8

#4F66F8 is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 57.9% C 0.218 H 271.1°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4F66F8
RGB	rgb(79, 102, 248)
HSL	hsl(232, 92%, 64%)
HSV	hsv(232, 68%, 97%)
CMYK	cmyk(68.1%, 58.9%, 0%, 2.7%)
CIE-LAB	lab(49.42, 37.99, -75.55)
CIE-LCH	lch(49.42, 84.56, 296.70°)
OKLab	oklab(57.89% 0.004 -0.2178)
OKLCH	oklch(57.89% 0.218 271.1)
XYZ	xyz(24.9134, 17.9399, 90.9385)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66F8 #F8E14F

analogous

#4FBBF8 #4F66F8 #8D4FF8

triadic

#4F66F8 #F84F66 #66F84F

tetradic

#4F66F8 #F84FBB #F8E14F #4FF88D

square

#4F66F8 #F84FBB #F8E14F #4FF88D

split-complementary

#4F66F8 #F88D4F #BBF84F

monochromatic

#0822C5 #1433F6 #4F66F8 #8A99FA #C5CCFD

Accessibility & contrast

On white

4.58

#4F66F8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#4F66F8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F66F8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66F8	#FFFFFF	#000000	##000000
##4F66F8	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DFD

Deuteranopia (green-blind)

#006EF5

Tritanopia (blue-blind)

#008AA5

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4f66f8;
/* rgb */ color: rgb(79, 102, 248);
/* oklch */ color: oklch(57.9% 0.218 271.1);

Tailwind

colors: {
  custom: {
    50: '#9491fc',
    500: '#4f66f8',
    950: '#000000',
  },
}

SCSS

$custom: #4f66f8;
$custom-light: #9491fc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66f8",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 248
  },
  "hsl": {
    "h": 231.834,
    "s": 92.35,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57885,
    "c": 0.21789,
    "h": 271.1
  },
  "luminance": 0.17942
}

Semantic roles & 50–950 ramp

primary

#4F66F8

secondary

#EFE7B4

accent

#C600E6

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C18

muted

#7F7D86

Preview Lab

Preview with #4F66F8

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

Preview Lab → · Contrast checker → · Palette generator →