#4F58CC#4F58CC

#4F58CC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.9% C 0.177 H 275.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#4F58CC
RGB	rgb(79, 88, 204)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 61%, 80%)
CMYK	cmyk(61.3%, 56.9%, 0%, 20%)
CIE-LAB	lab(42.76, 31.75, -61.46)
CIE-LCH	lch(42.76, 69.17, 297.32°)
OKLab	oklab(51.91% 0.0155 -0.1766)
OKLCH	oklch(51.91% 0.177 275)
XYZ	xyz(17.6097, 12.9999, 58.6963)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F58CC #CCC34F

analogous

#4F96CC #4F58CC #844FCC

triadic

#4F58CC #CC4F58 #58CC4F

tetradic

#4F58CC #CC4F96 #CCC34F #4FCC84

square

#4F58CC #CC4F96 #CCC34F #4FCC84

split-complementary

#4F58CC #CC844F #96CC4F

monochromatic

#242A7D #323BAC #4F58CC #7E85DA #AEB2E7

Accessibility & contrast

On white

5.83

#4F58CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4F58CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F58CC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F58CC	#FFFFFF	#000000	##FFFFFF
##4F58CC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4f58cc;
/* rgb */ color: rgb(79, 88, 204);
/* oklch */ color: oklch(51.9% 0.177 275.0);

Tailwind

colors: {
  custom: {
    50: '#8c87dc',
    500: '#4f58cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f58cc;
$custom-light: #8c87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f58cc",
  "rgb": {
    "r": 79,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 235.68,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51914,
    "c": 0.17725,
    "h": 275
  },
  "luminance": 0.13001
}

Semantic roles & 50–950 ramp

primary

#4F58CC

secondary

#D5D2A1

accent

#D449DE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F58CC

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

Preview Lab → · Contrast checker → · Palette generator →