#4F66DA#4F66DA

#4F66DA is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.6% C 0.179 H 271.0°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4F66DA
RGB	rgb(79, 102, 218)
HSL	hsl(230, 65%, 58%)
HSV	hsv(230, 64%, 85%)
CMYK	cmyk(63.8%, 53.2%, 0%, 14.5%)
CIE-LAB	lab(47.27, 27.76, -62.17)
CIE-LCH	lch(47.27, 68.09, 294.06°)
OKLab	oklab(55.6% 0.0032 -0.1785)
OKLCH	oklch(55.6% 0.179 271)
XYZ	xyz(20.6265, 16.2251, 68.3609)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66DA #DAC34F

analogous

#4FABDA #4F66DA #7D4FDA

triadic

#4F66DA #DA4F66 #66DA4F

tetradic

#4F66DA #DA4FAB #DAC34F #4FDA7D

square

#4F66DA #DA4FAB #DAC34F #4FDA7D

split-complementary

#4F66DA #DA7D4F #ABDA4F

monochromatic

#1E3190 #2942C3 #4F66DA #8292E5 #B4BEEF

Accessibility & contrast

On white

4.95

#4F66DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#4F66DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66DA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66DA	#FFFFFF	#000000	##FFFFFF
##4F66DA	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1677DE

Deuteranopia (green-blind)

#006AD8

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4f66da;
/* rgb */ color: rgb(79, 102, 218);
/* oklch */ color: oklch(55.6% 0.179 271.0);

Tailwind

colors: {
  custom: {
    50: '#8e91e6',
    500: '#4f66da',
    950: '#000000',
  },
}

SCSS

$custom: #4f66da;
$custom-light: #8e91e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66da",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 218
  },
  "hsl": {
    "h": 230.072,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.55596,
    "c": 0.17855,
    "h": 271
  },
  "luminance": 0.16227
}

Semantic roles & 50–950 ramp

primary

#4F66DA

secondary

#DED5A7

accent

#CC40E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4F66DA

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

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