#4E55B9#4E55B9

#4E55B9 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.9% C 0.155 H 276.2°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4E55B9
RGB	rgb(78, 85, 185)
HSL	hsl(236, 43%, 52%)
HSV	hsv(236, 58%, 73%)
CMYK	cmyk(57.8%, 54.1%, 0%, 27.5%)
CIE-LAB	lab(40.60, 27.09, -53.92)
CIE-LCH	lch(40.60, 60.34, 296.68°)
OKLab	oklab(49.86% 0.0167 -0.1544)
OKLCH	oklch(49.86% 0.155 276.2)
XYZ	xyz(15.1445, 11.6184, 47.3341)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55B9 #B9B24E

analogous

#4E8BB9 #4E55B9 #7D4EB9

triadic

#4E55B9 #B94E55 #55B94E

tetradic

#4E55B9 #B94E8B #B9B24E #4EB97D

square

#4E55B9 #B94E8B #B9B24E #4EB97D

split-complementary

#4E55B9 #B97D4E #8BB94E

monochromatic

#282C65 #393F91 #4E55B9 #7A7FCA #A6A9DC

Accessibility & contrast

On white

6.32

#4E55B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4E55B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55B9

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55B9	#FFFFFF	#000000	##FFFFFF
##4E55B9	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1664BC

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#066C7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4e55b9;
/* rgb */ color: rgb(78, 85, 185);
/* oklch */ color: oklch(49.9% 0.155 276.2);

Tailwind

colors: {
  custom: {
    50: '#8984cf',
    500: '#4e55b9',
    950: '#000000',
  },
}

SCSS

$custom: #4e55b9;
$custom-light: #8984cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55b9",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 185
  },
  "hsl": {
    "h": 236.075,
    "s": 43.32,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49859,
    "c": 0.15534,
    "h": 276.2
  },
  "luminance": 0.11619
}

Semantic roles & 50–950 ramp

primary

#4E55B9

secondary

#C9C69A

accent

#CB55D3

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4E55B9

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

Preview Lab → · Contrast checker → · Palette generator →