#4E78CF#4E78CF

#4E78CF is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.142 H 263.3°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4E78CF
RGB	rgb(78, 120, 207)
HSL	hsl(220, 57%, 56%)
HSV	hsv(220, 62%, 81%)
CMYK	cmyk(62.3%, 42%, 0%, 18.8%)
CIE-LAB	lab(51.33, 12.61, -49.40)
CIE-LCH	lch(51.33, 50.98, 284.32°)
OKLab	oklab(58.46% -0.0166 -0.1407)
OKLCH	oklch(58.46% 0.142 263.3)
XYZ	xyz(21.1169, 19.5557, 61.6812)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78CF #CFA54E

analogous

#4EB8CF #4E78CF #644ECF

triadic

#4E78CF #CF4E78 #78CF4E

tetradic

#4E78CF #CF4EB8 #CFA54E #4ECF64

square

#4E78CF #CF4EB8 #CFA54E #4ECF64

split-complementary

#4E78CF #CF644E #B8CF4E

monochromatic

#234180 #305AB0 #4E78CF #7E9DDC #AEC1E9

Accessibility & contrast

On white

4.28

#4E78CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#4E78CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78CF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78CF	#FFFFFF	#000000	##000000
##4E78CF	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5181D2

Deuteranopia (green-blind)

#3D75CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4e78cf;
/* rgb */ color: rgb(78, 120, 207);
/* oklch */ color: oklch(58.5% 0.142 263.3);

Tailwind

colors: {
  custom: {
    50: '#8b9ede',
    500: '#4e78cf',
    950: '#000000',
  },
}

SCSS

$custom: #4e78cf;
$custom-light: #8b9ede;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78cf",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 220.465,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.5846,
    "c": 0.14172,
    "h": 263.3
  },
  "luminance": 0.19558
}

Semantic roles & 50–950 ramp

primary

#4E78CF

secondary

#D7C6A2

accent

#AF47E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78CF

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

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