#4E55B4#4E55B4

#4E55B4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.5% C 0.148 H 276.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4E55B4
RGB	rgb(78, 85, 180)
HSL	hsl(236, 40%, 51%)
HSV	hsv(236, 57%, 71%)
CMYK	cmyk(56.7%, 52.8%, 0%, 29.4%)
CIE-LAB	lab(40.26, 25.42, -51.53)
CIE-LCH	lch(40.26, 57.46, 296.26°)
OKLab	oklab(49.5% 0.0164 -0.1474)
OKLCH	oklch(49.5% 0.148 276.4)
XYZ	xyz(14.6260, 11.4110, 44.6030)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E55B4 #B4AD4E

analogous

#4E88B4 #4E55B4 #7A4EB4

triadic

#4E55B4 #B44E55 #55B44E

tetradic

#4E55B4 #B44E88 #B4AD4E #4EB47A

square

#4E55B4 #B44E88 #B4AD4E #4EB47A

split-complementary

#4E55B4 #B47A4E #88B44E

monochromatic

#282C5F #3B408A #4E55B4 #797EC6 #A4A8D8

Accessibility & contrast

On white

6.40

#4E55B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4E55B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E55B4

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E55B4	#FFFFFF	#000000	##FFFFFF
##4E55B4	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F63B7

Deuteranopia (green-blind)

#075BB2

Tritanopia (blue-blind)

#146B7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e55b4;
/* rgb */ color: rgb(78, 85, 180);
/* oklch */ color: oklch(49.5% 0.148 276.4);

Tailwind

colors: {
  custom: {
    50: '#8884cb',
    500: '#4e55b4',
    950: '#000000',
  },
}

SCSS

$custom: #4e55b4;
$custom-light: #8884cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e55b4",
  "rgb": {
    "r": 78,
    "g": 85,
    "b": 180
  },
  "hsl": {
    "h": 235.882,
    "s": 40.476,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49497,
    "c": 0.14832,
    "h": 276.4
  },
  "luminance": 0.11412
}

Semantic roles & 50–950 ramp

primary

#4E55B4

secondary

#C6C298

accent

#C857D0

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E55B4

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

Preview Lab → · Contrast checker → · Palette generator →