#4C78ED#4C78ED

#4C78ED is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.3% C 0.183 H 265.7°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4C78ED
RGB	rgb(76, 120, 237)
HSL	hsl(224, 82%, 61%)
HSV	hsv(224, 68%, 93%)
CMYK	cmyk(67.9%, 49.4%, 0%, 7.1%)
CIE-LAB	lab(53.04, 22.68, -63.56)
CIE-LCH	lch(53.04, 67.49, 289.64°)
OKLab	oklab(60.32% -0.0138 -0.1824)
OKLCH	oklch(60.32% 0.183 265.7)
XYZ	xyz(24.9777, 21.0814, 82.8571)
Luminance	0.2108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78ED #EDC14C

analogous

#4CC9ED #4C78ED #714CED

triadic

#4C78ED #ED4C78 #78ED4C

tetradic

#4C78ED #ED4CC9 #EDC14C #4CED71

square

#4C78ED #ED4CC9 #EDC14C #4CED71

split-complementary

#4C78ED #ED714C #C9ED4C

monochromatic

#113CAD #174FE5 #4C78ED #84A2F3 #BBCCF8

Accessibility & contrast

On white

4.03

#4C78ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#4C78ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78ED

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78ED	#FFFFFF	#000000	##000000
##4C78ED	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3586F1

Deuteranopia (green-blind)

#0078EB

Tritanopia (blue-blind)

#0094A7

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4c78ed;
/* rgb */ color: rgb(76, 120, 237);
/* oklch */ color: oklch(60.3% 0.183 265.7);

Tailwind

colors: {
  custom: {
    50: '#8f9ef3',
    500: '#4c78ed',
    950: '#000000',
  },
}

SCSS

$custom: #4c78ed;
$custom-light: #8f9ef3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78ed",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 237
  },
  "hsl": {
    "h": 223.602,
    "s": 81.726,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60322,
    "c": 0.18294,
    "h": 265.7
  },
  "luminance": 0.21084
}

Semantic roles & 50–950 ramp

primary

#4C78ED

secondary

#E8D8AC

accent

#A307DE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4C78ED

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

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