#4E78D9#4E78D9

#4E78D9 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.155 H 264.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4E78D9
RGB	rgb(78, 120, 217)
HSL	hsl(222, 65%, 58%)
HSV	hsv(222, 64%, 85%)
CMYK	cmyk(64.1%, 44.7%, 0%, 14.9%)
CIE-LAB	lab(51.91, 16.05, -54.15)
CIE-LCH	lch(51.91, 56.48, 286.51°)
OKLab	oklab(59.09% -0.0148 -0.1547)
OKLCH	oklch(59.09% 0.155 264.5)
XYZ	xyz(22.3784, 20.0603, 68.3249)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78D9 #D9AF4E

analogous

#4EBDD9 #4E78D9 #6A4ED9

triadic

#4E78D9 #D94E78 #78D94E

tetradic

#4E78D9 #D94EBD #D9AF4E #4ED96A

square

#4E78D9 #D94EBD #D9AF4E #4ED96A

split-complementary

#4E78D9 #D96A4E #BDD94E

monochromatic

#1F408E #2957C0 #4E78D9 #809EE4 #B3C5EF

Accessibility & contrast

On white

4.19

#4E78D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4E78D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78D9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78D9	#FFFFFF	#000000	##000000
##4E78D9	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4983DD

Deuteranopia (green-blind)

#3276D7

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4e78d9;
/* rgb */ color: rgb(78, 120, 217);
/* oklch */ color: oklch(59.1% 0.155 264.5);

Tailwind

colors: {
  custom: {
    50: '#8d9ee5',
    500: '#4e78d9',
    950: '#000000',
  },
}

SCSS

$custom: #4e78d9;
$custom-light: #8d9ee5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78d9",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 217
  },
  "hsl": {
    "h": 221.871,
    "s": 64.651,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59087,
    "c": 0.1554,
    "h": 264.5
  },
  "luminance": 0.20062
}

Semantic roles & 50–950 ramp

primary

#4E78D9

secondary

#DDCCA6

accent

#B540E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E78D9

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

Preview Lab → · Contrast checker → · Palette generator →