#4F7DF3#4F7DF3

#4F7DF3 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.184 H 265.4°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4F7DF3
RGB	rgb(79, 125, 243)
HSL	hsl(223, 87%, 63%)
HSV	hsv(223, 67%, 95%)
CMYK	cmyk(67.5%, 48.6%, 0%, 4.7%)
CIE-LAB	lab(54.86, 22.14, -63.95)
CIE-LCH	lch(54.86, 67.68, 289.09°)
OKLab	oklab(61.87% -0.0149 -0.1834)
OKLCH	oklch(61.87% 0.184 265.4)
XYZ	xyz(26.7301, 22.7979, 87.7684)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F7DF3 #F3C54F

analogous

#4FCFF3 #4F7DF3 #734FF3

triadic

#4F7DF3 #F34F7D #7DF34F

tetradic

#4F7DF3 #F34FCF #F3C54F #4FF373

square

#4F7DF3 #F34FCF #F3C54F #4FF373

split-complementary

#4F7DF3 #F3734F #CFF34F

monochromatic

#0D3EBB #1653EF #4F7DF3 #88A7F7 #C2D2FB

Accessibility & contrast

On white

3.78

#4F7DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#4F7DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F7DF3

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F7DF3	#FFFFFF	#000000	##000000
##4F7DF3	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8BF7

Deuteranopia (green-blind)

#037CF1

Tritanopia (blue-blind)

#0099AC

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4f7df3;
/* rgb */ color: rgb(79, 125, 243);
/* oklch */ color: oklch(61.9% 0.184 265.4);

Tailwind

colors: {
  custom: {
    50: '#91a2f8',
    500: '#4f7df3',
    950: '#000000',
  },
}

SCSS

$custom: #4f7df3;
$custom-light: #91a2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f7df3",
  "rgb": {
    "r": 79,
    "g": 125,
    "b": 243
  },
  "hsl": {
    "h": 223.171,
    "s": 87.234,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6187,
    "c": 0.18405,
    "h": 265.4
  },
  "luminance": 0.22801
}

Semantic roles & 50–950 ramp

primary

#4F7DF3

secondary

#ECDCB2

accent

#A402E4

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #4F7DF3

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

Preview Lab → · Contrast checker → · Palette generator →