#4E55C9#4E55C9

#4E55C9 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.1% C 0.177 H 275.6°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4E55C9
RGB	rgb(78, 85, 201)
HSL	hsl(237, 53%, 55%)
HSV	hsv(237, 61%, 79%)
CMYK	cmyk(61.2%, 57.7%, 0%, 21.2%)
CIE-LAB	lab(41.74, 32.45, -61.39)
CIE-LCH	lch(41.74, 69.43, 297.86°)
OKLab	oklab(51.07% 0.0172 -0.1764)
OKLCH	oklch(51.07% 0.177 275.6)
XYZ	xyz(16.9296, 12.3324, 56.7353)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55C9 #C9C24E

analogous

#4E93C9 #4E55C9 #844EC9

triadic

#4E55C9 #C94E55 #55C94E

tetradic

#4E55C9 #C94E93 #C9C24E #4EC984

square

#4E55C9 #C94E93 #C9C24E #4EC984

split-complementary

#4E55C9 #C9844E #93C94E

monochromatic

#252978 #333AA7 #4E55C9 #7D82D7 #ACAFE6

Accessibility & contrast

On white

6.06

#4E55C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4E55C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55C9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55C9	#FFFFFF	#000000	##FFFFFF
##4E55C9	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CD

Deuteranopia (green-blind)

#005DC7

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e55c9;
/* rgb */ color: rgb(78, 85, 201);
/* oklch */ color: oklch(51.1% 0.177 275.6);

Tailwind

colors: {
  custom: {
    50: '#8c85da',
    500: '#4e55c9',
    950: '#000000',
  },
}

SCSS

$custom: #4e55c9;
$custom-light: #8c85da;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55c9",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 201
  },
  "hsl": {
    "h": 236.585,
    "s": 53.247,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51067,
    "c": 0.17725,
    "h": 275.6
  },
  "luminance": 0.12334
}

Semantic roles & 50–950 ramp

primary

#4E55C9

secondary

#D3D09F

accent

#D44BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E55C9

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

Preview Lab → · Contrast checker → · Palette generator →