#4E55D9#4E55D9

#4E55D9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.3% C 0.198 H 274.9°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4E55D9
RGB	rgb(78, 85, 217)
HSL	hsl(237, 65%, 58%)
HSV	hsv(237, 64%, 85%)
CMYK	cmyk(64.1%, 60.8%, 0%, 14.9%)
CIE-LAB	lab(42.95, 37.80, -68.62)
CIE-LCH	lch(42.95, 78.34, 298.85°)
OKLab	oklab(52.34% 0.0169 -0.1977)
OKLCH	oklch(52.34% 0.198 274.9)
XYZ	xyz(18.9106, 13.1248, 67.1690)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55D9 #D9D24E

analogous

#4E9BD9 #4E55D9 #8C4ED9

triadic

#4E55D9 #D94E55 #55D94E

tetradic

#4E55D9 #D94E9B #D9D24E #4ED98C

square

#4E55D9 #D94E9B #D9D24E #4ED98C

split-complementary

#4E55D9 #D98C4E #9BD94E

monochromatic

#1F248E #2931C0 #4E55D9 #8085E4 #B3B6EF

Accessibility & contrast

On white

5.79

#4E55D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#4E55D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55D9

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55D9	#FFFFFF	#000000	##FFFFFF
##4E55D9	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4e55d9;
/* rgb */ color: rgb(78, 85, 217);
/* oklch */ color: oklch(52.3% 0.198 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e85e6',
    500: '#4e55d9',
    950: '#000000',
  },
}

SCSS

$custom: #4e55d9;
$custom-light: #8e85e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55d9",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 217
  },
  "hsl": {
    "h": 236.978,
    "s": 64.651,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52342,
    "c": 0.19838,
    "h": 274.9
  },
  "luminance": 0.13126
}

Semantic roles & 50–950 ramp

primary

#4E55D9

secondary

#DDDAA6

accent

#DF40E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4E55D9

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

Preview Lab → · Contrast checker → · Palette generator →