#4E55B3#4E55B3

#4E55B3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.147 H 276.4°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4E55B3
RGB	rgb(78, 85, 179)
HSL	hsl(236, 40%, 50%)
HSV	hsv(236, 56%, 70%)
CMYK	cmyk(56.4%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(40.20, 25.09, -51.05)
CIE-LCH	lch(40.20, 56.88, 296.17°)
OKLab	oklab(49.43% 0.0164 -0.146)
OKLCH	oklch(49.43% 0.147 276.4)
XYZ	xyz(14.5245, 11.3704, 44.0684)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55B3 #B3AC4E

analogous

#4E87B3 #4E55B3 #7A4EB3

triadic

#4E55B3 #B34E55 #55B34E

tetradic

#4E55B3 #B34E87 #B3AC4E #4EB37A

square

#4E55B3 #B34E87 #B3AC4E #4EB37A

split-complementary

#4E55B3 #B37A4E #87B34E

monochromatic

#282C5E #3B4089 #4E55B3 #797EC5 #A4A7D8

Accessibility & contrast

On white

6.41

#4E55B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4E55B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55B3

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55B3	#FFFFFF	#000000	##FFFFFF
##4E55B3	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2163B6

Deuteranopia (green-blind)

#0B5BB1

Tritanopia (blue-blind)

#166A7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e55b3;
/* rgb */ color: rgb(78, 85, 179);
/* oklch */ color: oklch(49.4% 0.147 276.4);

Tailwind

colors: {
  custom: {
    50: '#8884ca',
    500: '#4e55b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e55b3;
$custom-light: #8884ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55b3",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 235.842,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49426,
    "c": 0.14691,
    "h": 276.4
  },
  "luminance": 0.11371
}

Semantic roles & 50–950 ramp

primary

#4E55B3

secondary

#C5C298

accent

#C758D0

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E55B3

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

Preview Lab → · Contrast checker → · Palette generator →