#4C78EE#4C78EE

#4C78EE is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.4% C 0.184 H 265.7°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4C78EE
RGB	rgb(76, 120, 238)
HSL	hsl(224, 83%, 62%)
HSV	hsv(224, 68%, 93%)
CMYK	cmyk(68.1%, 49.6%, 0%, 6.7%)
CIE-LAB	lab(53.10, 23.03, -64.02)
CIE-LCH	lch(53.10, 68.03, 289.79°)
OKLab	oklab(60.39% -0.0137 -0.1838)
OKLCH	oklch(60.39% 0.184 265.7)
XYZ	xyz(25.1242, 21.1400, 83.6287)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78EE #EEC24C

analogous

#4CC9EE #4C78EE #714CEE

triadic

#4C78EE #EE4C78 #78EE4C

tetradic

#4C78EE #EE4CC9 #EEC24C #4CEE71

square

#4C78EE #EE4CC9 #EEC24C #4CEE71

split-complementary

#4C78EE #EE714C #C9EE4C

monochromatic

#113CAF #164FE7 #4C78EE #84A2F3 #BCCCF9

Accessibility & contrast

On white

4.02

#4C78EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#4C78EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78EE

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78EE	#FFFFFF	#000000	##000000
##4C78EE	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3387F2

Deuteranopia (green-blind)

#0078EC

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4c78ee;
/* rgb */ color: rgb(76, 120, 238);
/* oklch */ color: oklch(60.4% 0.184 265.7);

Tailwind

colors: {
  custom: {
    50: '#8f9ef4',
    500: '#4c78ee',
    950: '#000000',
  },
}

SCSS

$custom: #4c78ee;
$custom-light: #8f9ef4;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78ee",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 238
  },
  "hsl": {
    "h": 223.704,
    "s": 82.653,
    "l": 61.569
  },
  "oklch": {
    "l": 0.60391,
    "c": 0.18427,
    "h": 265.7
  },
  "luminance": 0.21142
}

Semantic roles & 50–950 ramp

primary

#4C78EE

secondary

#E9D9AD

accent

#A406DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4C78EE

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

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