#4F66DF#4F66DF

#4F66DF is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.185 H 271.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F66DF
RGB	rgb(79, 102, 223)
HSL	hsl(230, 69%, 59%)
HSV	hsv(230, 65%, 87%)
CMYK	cmyk(64.6%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(47.61, 29.47, -64.45)
CIE-LCH	lch(47.61, 70.87, 294.57°)
OKLab	oklab(55.96% 0.0035 -0.1852)
OKLCH	oklch(55.96% 0.185 271.1)
XYZ	xyz(21.2906, 16.4908, 71.8588)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66DF #DFC84F

analogous

#4FAEDF #4F66DF #804FDF

triadic

#4F66DF #DF4F66 #66DF4F

tetradic

#4F66DF #DF4FAE #DFC84F #4FDF80

square

#4F66DF #DF4FAE #DFC84F #4FDF80

split-complementary

#4F66DF #DF804F #AEDF4F

monochromatic

#1C2F98 #2540CC #4F66DF #8393E8 #B7C0F2

Accessibility & contrast

On white

4.89

#4F66DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4F66DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66DF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66DF	#FFFFFF	#000000	##FFFFFF
##4F66DF	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0278E3

Deuteranopia (green-blind)

#006BDD

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4f66df;
/* rgb */ color: rgb(79, 102, 223);
/* oklch */ color: oklch(56.0% 0.185 271.1);

Tailwind

colors: {
  custom: {
    50: '#8f91ea',
    500: '#4f66df',
    950: '#000000',
  },
}

SCSS

$custom: #4f66df;
$custom-light: #8f91ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66df",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 230.417,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55963,
    "c": 0.18526,
    "h": 271.1
  },
  "luminance": 0.16493
}

Semantic roles & 50–950 ramp

primary

#4F66DF

secondary

#E1D8A9

accent

#D03CEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F66DF

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

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