#4E55B1#4E55B1

#4E55B1 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.3% C 0.144 H 276.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4E55B1
RGB	rgb(78, 85, 177)
HSL	hsl(236, 39%, 50%)
HSV	hsv(236, 56%, 69%)
CMYK	cmyk(55.9%, 52%, 0%, 30.6%)
CIE-LAB	lab(40.06, 24.42, -50.08)
CIE-LCH	lch(40.06, 55.72, 295.99°)
OKLab	oklab(49.28% 0.0162 -0.1432)
OKLCH	oklch(49.28% 0.144 276.5)
XYZ	xyz(14.3237, 11.2900, 43.0109)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55B1 #B1AA4E

analogous

#4E86B1 #4E55B1 #794EB1

triadic

#4E55B1 #B14E55 #55B14E

tetradic

#4E55B1 #B14E86 #B1AA4E #4EB179

square

#4E55B1 #B14E86 #B1AA4E #4EB179

split-complementary

#4E55B1 #B1794E #86B14E

monochromatic

#292C5C #3B4187 #4E55B1 #787EC4 #A3A7D6

Accessibility & contrast

On white

6.45

#4E55B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4E55B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55B1

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55B1	#FFFFFF	#000000	##FFFFFF
##4E55B1	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2363B4

Deuteranopia (green-blind)

#125AAF

Tritanopia (blue-blind)

#1A6A7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4e55b1;
/* rgb */ color: rgb(78, 85, 177);
/* oklch */ color: oklch(49.3% 0.144 276.5);

Tailwind

colors: {
  custom: {
    50: '#8884c9',
    500: '#4e55b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e55b1;
$custom-light: #8884c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55b1",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 177
  },
  "hsl": {
    "h": 235.758,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.49283,
    "c": 0.14408,
    "h": 276.5
  },
  "luminance": 0.11291
}

Semantic roles & 50–950 ramp

primary

#4E55B1

secondary

#C4C097

accent

#C659CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E55B1

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

Preview Lab → · Contrast checker → · Palette generator →