#4E55CF#4E55CF

#4E55CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.185 H 275.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4E55CF
RGB	rgb(78, 85, 207)
HSL	hsl(237, 57%, 56%)
HSV	hsv(237, 62%, 81%)
CMYK	cmyk(62.3%, 58.9%, 0%, 18.8%)
CIE-LAB	lab(42.19, 34.45, -64.13)
CIE-LCH	lch(42.19, 72.80, 298.25°)
OKLab	oklab(51.54% 0.0171 -0.1845)
OKLCH	oklch(51.54% 0.185 275.3)
XYZ	xyz(17.6492, 12.6203, 60.5253)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55CF #CFC84E

analogous

#4E95CF #4E55CF #874ECF

triadic

#4E55CF #CF4E55 #55CF4E

tetradic

#4E55CF #CF4E95 #CFC84E #4ECF87

square

#4E55CF #CF4E95 #CFC84E #4ECF87

split-complementary

#4E55CF #CF874E #95CF4E

monochromatic

#232880 #3037B0 #4E55CF #7E83DC #AEB1E9

Accessibility & contrast

On white

5.96

#4E55CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4E55CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55CF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55CF	#FFFFFF	#000000	##FFFFFF
##4E55CF	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4e55cf;
/* rgb */ color: rgb(78, 85, 207);
/* oklch */ color: oklch(51.5% 0.185 275.3);

Tailwind

colors: {
  custom: {
    50: '#8d85df',
    500: '#4e55cf',
    950: '#000000',
  },
}

SCSS

$custom: #4e55cf;
$custom-light: #8d85df;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55cf",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 207
  },
  "hsl": {
    "h": 236.744,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51538,
    "c": 0.18526,
    "h": 275.3
  },
  "luminance": 0.12622
}

Semantic roles & 50–950 ramp

primary

#4E55CF

secondary

#D7D4A2

accent

#D847E1

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E55CF

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

Preview Lab → · Contrast checker → · Palette generator →