#4F73F0#4F73F0

#4F73F0 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.7% C 0.192 H 268.0°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4F73F0
RGB	rgb(79, 115, 240)
HSL	hsl(227, 84%, 63%)
HSV	hsv(227, 67%, 94%)
CMYK	cmyk(67.1%, 52.1%, 0%, 5.9%)
CIE-LAB	lab(52.08, 27.26, -66.78)
CIE-LCH	lch(52.08, 72.13, 292.20°)
OKLab	oklab(59.69% -0.0066 -0.1919)
OKLCH	oklch(59.69% 0.192 268)
XYZ	xyz(25.0779, 20.2126, 85.0010)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73F0 #F0CC4F

analogous

#4FC3F0 #4F73F0 #7C4FF0

triadic

#4F73F0 #F04F73 #73F04F

tetradic

#4F73F0 #F04FC3 #F0CC4F #4FF07C

square

#4F73F0 #F04FC3 #F0CC4F #4FF07C

split-complementary

#4F73F0 #F07C4F #C3F04F

monochromatic

#0F34B5 #1746EB #4F73F0 #87A0F5 #C0CDFA

Accessibility & contrast

On white

4.16

#4F73F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#4F73F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F73F0

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73F0	#FFFFFF	#000000	##000000
##4F73F0	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F84F4

Deuteranopia (green-blind)

#0075ED

Tritanopia (blue-blind)

#0091A6

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4f73f0;
/* rgb */ color: rgb(79, 115, 240);
/* oklch */ color: oklch(59.7% 0.192 268.0);

Tailwind

colors: {
  custom: {
    50: '#919af6',
    500: '#4f73f0',
    950: '#000000',
  },
}

SCSS

$custom: #4f73f0;
$custom-light: #919af6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73f0",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 240
  },
  "hsl": {
    "h": 226.584,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.59693,
    "c": 0.19202,
    "h": 268
  },
  "luminance": 0.20215
}

Semantic roles & 50–950 ramp

primary

#4F73F0

secondary

#EBDEB0

accent

#B005E1

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4F73F0

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

Preview Lab → · Contrast checker → · Palette generator →