#4E78DD#4E78DD

#4E78DD is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.3% C 0.161 H 264.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4E78DD
RGB	rgb(78, 120, 221)
HSL	hsl(222, 68%, 59%)
HSV	hsv(222, 65%, 87%)
CMYK	cmyk(64.7%, 45.7%, 0%, 13.3%)
CIE-LAB	lab(52.14, 17.43, -56.03)
CIE-LCH	lch(52.14, 58.67, 287.28°)
OKLab	oklab(59.35% -0.0142 -0.1602)
OKLCH	oklch(59.35% 0.161 264.9)
XYZ	xyz(22.9050, 20.2710, 71.0982)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78DD #DDB34E

analogous

#4EBFDD #4E78DD #6B4EDD

triadic

#4E78DD #DD4E78 #78DD4E

tetradic

#4E78DD #DD4EBF #DDB34E #4EDD6B

square

#4E78DD #DD4EBF #DDB34E #4EDD6B

split-complementary

#4E78DD #DD6B4E #BFDD4E

monochromatic

#1C4094 #2656C7 #4E78DD #819FE7 #B5C6F1

Accessibility & contrast

On white

4.15

#4E78DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4E78DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78DD

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78DD	#FFFFFF	#000000	##000000
##4E78DD	1.00	4.15	5.05	5.05
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4683E1

Deuteranopia (green-blind)

#2C76DB

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4e78dd;
/* rgb */ color: rgb(78, 120, 221);
/* oklch */ color: oklch(59.3% 0.161 264.9);

Tailwind

colors: {
  custom: {
    50: '#8d9ee8',
    500: '#4e78dd',
    950: '#000000',
  },
}

SCSS

$custom: #4e78dd;
$custom-light: #8d9ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78dd",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 221
  },
  "hsl": {
    "h": 222.378,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59345,
    "c": 0.16084,
    "h": 264.9
  },
  "luminance": 0.20273
}

Semantic roles & 50–950 ramp

primary

#4E78DD

secondary

#E0CFA7

accent

#B83DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E78DD

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

Preview Lab → · Contrast checker → · Palette generator →