#4C78EC#4C78EC

#4C78EC is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.3% C 0.182 H 265.6°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4C78EC
RGB	rgb(76, 120, 236)
HSL	hsl(224, 81%, 61%)
HSV	hsv(224, 68%, 93%)
CMYK	cmyk(67.8%, 49.2%, 0%, 7.5%)
CIE-LAB	lab(52.97, 22.34, -63.11)
CIE-LCH	lch(52.97, 66.94, 289.49°)
OKLab	oklab(60.25% -0.0139 -0.1811)
OKLCH	oklch(60.25% 0.182 265.6)
XYZ	xyz(24.8320, 21.0231, 82.0898)
Luminance	0.2103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78EC #ECC04C

analogous

#4CC8EC #4C78EC #704CEC

triadic

#4C78EC #EC4C78 #78EC4C

tetradic

#4C78EC #EC4CC8 #ECC04C #4CEC70

square

#4C78EC #EC4CC8 #ECC04C #4CEC70

split-complementary

#4C78EC #EC704C #C8EC4C

monochromatic

#123CAB #1850E3 #4C78EC #83A2F2 #BBCBF8

Accessibility & contrast

On white

4.03

#4C78EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#4C78EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78EC

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78EC	#FFFFFF	#000000	##000000
##4C78EC	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3686F0

Deuteranopia (green-blind)

#0078EA

Tritanopia (blue-blind)

#0093A7

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4c78ec;
/* rgb */ color: rgb(76, 120, 236);
/* oklch */ color: oklch(60.3% 0.182 265.6);

Tailwind

colors: {
  custom: {
    50: '#8f9ef3',
    500: '#4c78ec',
    950: '#000000',
  },
}

SCSS

$custom: #4c78ec;
$custom-light: #8f9ef3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78ec",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 236
  },
  "hsl": {
    "h": 223.5,
    "s": 80.808,
    "l": 61.176
  },
  "oklch": {
    "l": 0.60253,
    "c": 0.18162,
    "h": 265.6
  },
  "luminance": 0.21026
}

Semantic roles & 50–950 ramp

primary

#4C78EC

secondary

#E8D7AC

accent

#A308DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4C78EC

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

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