#4E78CD#4E78CD

#4E78CD is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.139 H 263.0°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4E78CD
RGB	rgb(78, 120, 205)
HSL	hsl(220, 56%, 55%)
HSV	hsv(220, 62%, 80%)
CMYK	cmyk(62%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(51.22, 11.93, -48.44)
CIE-LCH	lch(51.22, 49.88, 283.83°)
OKLab	oklab(58.34% -0.017 -0.1379)
OKLCH	oklch(58.34% 0.139 263)
XYZ	xyz(20.8740, 19.4586, 60.4016)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78CD #CDA34E

analogous

#4EB8CD #4E78CD #634ECD

triadic

#4E78CD #CD4E78 #78CD4E

tetradic

#4E78CD #CD4EB8 #CDA34E #4ECD63

square

#4E78CD #CD4EB8 #CDA34E #4ECD63

split-complementary

#4E78CD #CD634E #B8CD4E

monochromatic

#23417D #315AAD #4E78CD #7E9CDA #ADC1E8

Accessibility & contrast

On white

4.29

#4E78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4E78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78CD

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78CD	#FFFFFF	#000000	##000000
##4E78CD	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280D0

Deuteranopia (green-blind)

#3F75CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4e78cd;
/* rgb */ color: rgb(78, 120, 205);
/* oklch */ color: oklch(58.3% 0.139 263.0);

Tailwind

colors: {
  custom: {
    50: '#8b9edd',
    500: '#4e78cd',
    950: '#000000',
  },
}

SCSS

$custom: #4e78cd;
$custom-light: #8b9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78cd",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 220.157,
    "s": 55.947,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58337,
    "c": 0.13897,
    "h": 263
  },
  "luminance": 0.1946
}

Semantic roles & 50–950 ramp

primary

#4E78CD

secondary

#D6C4A1

accent

#AD49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78CD

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

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