#4E55DB#4E55DB

#4E55DB is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.5% C 0.201 H 274.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#4E55DB
RGB	rgb(78, 85, 219)
HSL	hsl(237, 66%, 58%)
HSV	hsv(237, 64%, 86%)
CMYK	cmyk(64.4%, 61.2%, 0%, 14.1%)
CIE-LAB	lab(43.11, 38.46, -69.50)
CIE-LCH	lch(43.11, 79.44, 298.96°)
OKLab	oklab(52.51% 0.0168 -0.2003)
OKLCH	oklch(52.51% 0.201 274.8)
XYZ	xyz(19.1724, 13.2295, 68.5473)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55DB #DBD44E

analogous

#4E9BDB #4E55DB #8D4EDB

triadic

#4E55DB #DB4E55 #55DB4E

tetradic

#4E55DB #DB4E9B #DBD44E #4EDB8D

square

#4E55DB #DB4E9B #DBD44E #4EDB8D

split-complementary

#4E55DB #DB8D4E #9BDB4E

monochromatic

#1E2391 #2830C4 #4E55DB #8186E5 #B4B7F0

Accessibility & contrast

On white

5.76

#4E55DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4E55DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55DB

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55DB	#FFFFFF	#000000	##FFFFFF
##4E55DB	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDF

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4e55db;
/* rgb */ color: rgb(78, 85, 219);
/* oklch */ color: oklch(52.5% 0.201 274.8);

Tailwind

colors: {
  custom: {
    50: '#8f85e7',
    500: '#4e55db',
    950: '#000000',
  },
}

SCSS

$custom: #4e55db;
$custom-light: #8f85e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55db",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 237.021,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.52506,
    "c": 0.20097,
    "h": 274.8
  },
  "luminance": 0.13231
}

Semantic roles & 50–950 ramp

primary

#4E55DB

secondary

#DEDCA6

accent

#E13FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4E55DB

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

Preview Lab → · Contrast checker → · Palette generator →