#4C78DC#4C78DC

#4C78DC is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.2% C 0.160 H 264.2°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4C78DC
RGB	rgb(76, 120, 220)
HSL	hsl(222, 67%, 58%)
HSV	hsv(222, 65%, 86%)
CMYK	cmyk(65.5%, 45.5%, 0%, 13.7%)
CIE-LAB	lab(51.99, 16.75, -55.71)
CIE-LCH	lch(51.99, 58.18, 286.74°)
OKLab	oklab(59.18% -0.0161 -0.1593)
OKLCH	oklch(59.18% 0.16 264.2)
XYZ	xyz(22.6107, 20.1346, 70.3910)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78DC #DCB04C

analogous

#4CC0DC #4C78DC #684CDC

triadic

#4C78DC #DC4C78 #78DC4C

tetradic

#4C78DC #DC4CC0 #DCB04C #4CDC68

square

#4C78DC #DC4CC0 #DCB04C #4CDC68

split-complementary

#4C78DC #DC684C #C0DC4C

monochromatic

#1C4091 #2657C4 #4C78DC #7F9FE6 #B2C5F0

Accessibility & contrast

On white

4.18

#4C78DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4C78DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78DC

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78DC	#FFFFFF	#000000	##000000
##4C78DC	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4683E0

Deuteranopia (green-blind)

#2C76DA

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4c78dc;
/* rgb */ color: rgb(76, 120, 220);
/* oklch */ color: oklch(59.2% 0.160 264.2);

Tailwind

colors: {
  custom: {
    50: '#8c9ee7',
    500: '#4c78dc',
    950: '#000000',
  },
}

SCSS

$custom: #4c78dc;
$custom-light: #8c9ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78dc",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 221.667,
    "s": 67.29,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59183,
    "c": 0.16014,
    "h": 264.2
  },
  "luminance": 0.20137
}

Semantic roles & 50–950 ramp

primary

#4C78DC

secondary

#DFCDA5

accent

#B53EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4C78DC

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

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