#4F73CD#4F73CD

#4F73CD is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.3% C 0.145 H 265.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4F73CD
RGB	rgb(79, 115, 205)
HSL	hsl(223, 56%, 56%)
HSV	hsv(223, 61%, 80%)
CMYK	cmyk(61.5%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(49.89, 15.20, -50.55)
CIE-LCH	lch(49.89, 52.79, 286.73°)
OKLab	oklab(57.33% -0.011 -0.1442)
OKLCH	oklch(57.33% 0.145 265.7)
XYZ	xyz(20.3708, 18.3297, 60.2103)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73CD #CDA94F

analogous

#4FB2CD #4F73CD #6A4FCD

triadic

#4F73CD #CD4F73 #73CD4F

tetradic

#4F73CD #CD4FB2 #CDA94F #4FCD6A

square

#4F73CD #CD4FB2 #CDA94F #4FCD6A

split-complementary

#4F73CD #CD6A4F #B2CD4F

monochromatic

#243D7E #3155AE #4F73CD #7F99DB #AEBFE8

Accessibility & contrast

On white

4.50

#4F73CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4F73CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F73CD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73CD	#FFFFFF	#000000	##000000
##4F73CD	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497DD0

Deuteranopia (green-blind)

#3671CB

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4f73cd;
/* rgb */ color: rgb(79, 115, 205);
/* oklch */ color: oklch(57.3% 0.145 265.7);

Tailwind

colors: {
  custom: {
    50: '#8b9add',
    500: '#4f73cd',
    950: '#000000',
  },
}

SCSS

$custom: #4f73cd;
$custom-light: #8b9add;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73cd",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 222.857,
    "s": 55.752,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5733,
    "c": 0.14459,
    "h": 265.7
  },
  "luminance": 0.18332
}

Semantic roles & 50–950 ramp

primary

#4F73CD

secondary

#D6C7A2

accent

#B449DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F73CD

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

Preview Lab → · Contrast checker → · Palette generator →