#4E78DF#4E78DF

#4E78DF is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.5% C 0.164 H 265.1°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4E78DF
RGB	rgb(78, 120, 223)
HSL	hsl(223, 69%, 59%)
HSV	hsv(223, 65%, 87%)
CMYK	cmyk(65%, 46.2%, 0%, 12.5%)
CIE-LAB	lab(52.26, 18.12, -56.96)
CIE-LCH	lch(52.26, 59.77, 287.65°)
OKLab	oklab(59.48% -0.0139 -0.163)
OKLCH	oklch(59.48% 0.164 265.1)
XYZ	xyz(23.1730, 20.3782, 72.5099)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78DF #DFB54E

analogous

#4EC0DF #4E78DF #6D4EDF

triadic

#4E78DF #DF4E78 #78DF4E

tetradic

#4E78DF #DF4EC0 #DFB54E #4EDF6D

square

#4E78DF #DF4EC0 #DFB54E #4EDF6D

split-complementary

#4E78DF #DF6D4E #C0DF4E

monochromatic

#1B3F97 #2555CB #4E78DF #82A0E8 #B6C7F2

Accessibility & contrast

On white

4.14

#4E78DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#4E78DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78DF

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78DF	#FFFFFF	#000000	##000000
##4E78DF	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4484E3

Deuteranopia (green-blind)

#2876DD

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4e78df;
/* rgb */ color: rgb(78, 120, 223);
/* oklch */ color: oklch(59.5% 0.164 265.1);

Tailwind

colors: {
  custom: {
    50: '#8e9ee9',
    500: '#4e78df',
    950: '#000000',
  },
}

SCSS

$custom: #4e78df;
$custom-light: #8e9ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78df",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 223
  },
  "hsl": {
    "h": 222.621,
    "s": 69.378,
    "l": 59.02
  },
  "oklch": {
    "l": 0.59476,
    "c": 0.16355,
    "h": 265.1
  },
  "luminance": 0.2038
}

Semantic roles & 50–950 ramp

primary

#4E78DF

secondary

#E1D0A8

accent

#B93CEC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E78DF

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

Preview Lab → · Contrast checker → · Palette generator →