#4E55AB#4E55AB

#4E55AB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.9% C 0.135 H 276.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4E55AB
RGB	rgb(78, 85, 171)
HSL	hsl(235, 37%, 49%)
HSV	hsv(235, 54%, 67%)
CMYK	cmyk(54.4%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(39.67, 22.43, -47.17)
CIE-LCH	lch(39.67, 52.23, 295.43°)
OKLab	oklab(48.86% 0.0157 -0.1346)
OKLCH	oklch(48.86% 0.135 276.6)
XYZ	xyz(13.7387, 11.0561, 39.9303)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55AB #ABA44E

analogous

#4E84AB #4E55AB #764EAB

triadic

#4E55AB #AB4E55 #55AB4E

tetradic

#4E55AB #AB4E84 #ABA44E #4EAB76

square

#4E55AB #AB4E84 #ABA44E #4EAB76

split-complementary

#4E55AB #AB764E #84AB4E

monochromatic

#282B57 #3B4081 #4E55AB #767BC0 #A0A4D4

Accessibility & contrast

On white

6.54

#4E55AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4E55AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55AB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55AB	#FFFFFF	#000000	##FFFFFF
##4E55AB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B61AE

Deuteranopia (green-blind)

#1E5AA9

Tritanopia (blue-blind)

#226878

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4e55ab;
/* rgb */ color: rgb(78, 85, 171);
/* oklch */ color: oklch(48.9% 0.135 276.6);

Tailwind

colors: {
  custom: {
    50: '#8784c4',
    500: '#4e55ab',
    950: '#000000',
  },
}

SCSS

$custom: #4e55ab;
$custom-light: #8784c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55ab",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 235.484,
    "s": 37.349,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48865,
    "c": 0.13549,
    "h": 276.6
  },
  "luminance": 0.11057
}

Semantic roles & 50–950 ramp

primary

#4E55AB

secondary

#C1BD94

accent

#C55ACD

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E55AB

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

Preview Lab → · Contrast checker → · Palette generator →