#4C58CC#4C58CC

#4C58CC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.7% C 0.178 H 273.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4C58CC
RGB	rgb(76, 88, 204)
HSL	hsl(234, 56%, 55%)
HSV	hsv(234, 63%, 80%)
CMYK	cmyk(62.7%, 56.9%, 0%, 20%)
CIE-LAB	lab(42.57, 31.25, -61.77)
CIE-LCH	lch(42.57, 69.23, 296.83°)
OKLab	oklab(51.72% 0.0122 -0.1776)
OKLCH	oklch(51.72% 0.178 273.9)
XYZ	xyz(17.3657, 12.8741, 58.6849)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C58CC #CCC04C

analogous

#4C98CC #4C58CC #804CCC

triadic

#4C58CC #CC4C58 #58CC4C

tetradic

#4C58CC #CC4C98 #CCC04C #4CCC80

square

#4C58CC #CC4C98 #CCC04C #4CCC80

split-complementary

#4C58CC #CC804C #98CC4C

monochromatic

#232B7B #313CAA #4C58CC #7C84DA #ABB1E7

Accessibility & contrast

On white

5.87

#4C58CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4C58CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C58CC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C58CC	#FFFFFF	#000000	##FFFFFF
##4C58CC	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4c58cc;
/* rgb */ color: rgb(76, 88, 204);
/* oklch */ color: oklch(51.7% 0.178 273.9);

Tailwind

colors: {
  custom: {
    50: '#8b87dc',
    500: '#4c58cc',
    950: '#000000',
  },
}

SCSS

$custom: #4c58cc;
$custom-light: #8b87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c58cc",
  "rgb": {
    "r": 76,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 234.375,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51722,
    "c": 0.178,
    "h": 273.9
  },
  "luminance": 0.12876
}

Semantic roles & 50–950 ramp

primary

#4C58CC

secondary

#D5D09F

accent

#D149DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4C58CC

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

Preview Lab → · Contrast checker → · Palette generator →