#4F79F3#4F79F3

#4F79F3 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.1% C 0.189 H 266.5°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4F79F3
RGB	rgb(79, 121, 243)
HSL	hsl(225, 87%, 63%)
HSV	hsv(225, 67%, 95%)
CMYK	cmyk(67.5%, 50.2%, 0%, 4.7%)
CIE-LAB	lab(53.82, 24.60, -65.64)
CIE-LCH	lch(53.82, 70.09, 290.54°)
OKLab	oklab(61.08% -0.0115 -0.1884)
OKLCH	oklch(61.08% 0.189 266.5)
XYZ	xyz(26.2339, 21.8055, 87.6030)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F79F3 #F3C94F

analogous

#4FCBF3 #4F79F3 #774FF3

triadic

#4F79F3 #F34F79 #79F34F

tetradic

#4F79F3 #F34FCB #F3C94F #4FF377

square

#4F79F3 #F34FCB #F3C94F #4FF377

split-complementary

#4F79F3 #F3774F #CBF34F

monochromatic

#0D39BB #164DEF #4F79F3 #88A5F7 #C2D0FB

Accessibility & contrast

On white

3.92

#4F79F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4F79F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F79F3

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F79F3	#FFFFFF	#000000	##000000
##4F79F3	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3089F7

Deuteranopia (green-blind)

#007AF1

Tritanopia (blue-blind)

#0096AB

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4f79f3;
/* rgb */ color: rgb(79, 121, 243);
/* oklch */ color: oklch(61.1% 0.189 266.5);

Tailwind

colors: {
  custom: {
    50: '#929ff8',
    500: '#4f79f3',
    950: '#000000',
  },
}

SCSS

$custom: #4f79f3;
$custom-light: #929ff8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f79f3",
  "rgb": {
    "r": 79,
    "g": 121,
    "b": 243
  },
  "hsl": {
    "h": 224.634,
    "s": 87.234,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61076,
    "c": 0.1888,
    "h": 266.5
  },
  "luminance": 0.21808
}

Semantic roles & 50–950 ramp

primary

#4F79F3

secondary

#ECDDB2

accent

#AA02E4

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4F79F3

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

Preview Lab → · Contrast checker → · Palette generator →