#4F73DD#4F73DD

#4F73DD is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.4% C 0.167 H 267.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4F73DD
RGB	rgb(79, 115, 221)
HSL	hsl(225, 68%, 59%)
HSV	hsv(225, 64%, 87%)
CMYK	cmyk(64.3%, 48%, 0%, 13.3%)
CIE-LAB	lab(50.85, 20.69, -58.09)
CIE-LCH	lch(50.85, 61.67, 289.61°)
OKLab	oklab(58.37% -0.0086 -0.1663)
OKLCH	oklch(58.37% 0.167 267)
XYZ	xyz(22.4018, 19.1421, 70.9068)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73DD #DDB94F

analogous

#4FBADD #4F73DD #724FDD

triadic

#4F73DD #DD4F73 #73DD4F

tetradic

#4F73DD #DD4FBA #DDB94F #4FDD72

square

#4F73DD #DD4FBA #DDB94F #4FDD72

split-complementary

#4F73DD #DD724F #BADD4F

monochromatic

#1D3B95 #2750C8 #4F73DD #829CE7 #B6C5F1

Accessibility & contrast

On white

4.35

#4F73DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4F73DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F73DD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73DD	#FFFFFF	#000000	##000000
##4F73DD	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B80E1

Deuteranopia (green-blind)

#1C73DB

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4f73dd;
/* rgb */ color: rgb(79, 115, 221);
/* oklch */ color: oklch(58.4% 0.167 267.0);

Tailwind

colors: {
  custom: {
    50: '#8e9ae8',
    500: '#4f73dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f73dd;
$custom-light: #8e9ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73dd",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 221
  },
  "hsl": {
    "h": 224.789,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.58373,
    "c": 0.16656,
    "h": 267
  },
  "luminance": 0.19144
}

Semantic roles & 50–950 ramp

primary

#4F73DD

secondary

#E0D2A8

accent

#BF3DEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F73DD

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

Preview Lab → · Contrast checker → · Palette generator →