#4D78F0#4D78F0

#4D78F0 is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.6% C 0.187 H 266.1°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4D78F0
RGB	rgb(77, 120, 240)
HSL	hsl(224, 84%, 62%)
HSV	hsv(224, 68%, 94%)
CMYK	cmyk(67.9%, 50%, 0%, 5.9%)
CIE-LAB	lab(53.28, 23.88, -64.85)
CIE-LCH	lch(53.28, 69.11, 290.21°)
OKLab	oklab(60.58% -0.0126 -0.1862)
OKLCH	oklch(60.58% 0.187 266.1)
XYZ	xyz(25.4997, 21.2995, 85.1885)
Luminance	0.2130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78F0 #F0C54D

analogous

#4DC9F0 #4D78F0 #744DF0

triadic

#4D78F0 #F04D78 #78F04D

tetradic

#4D78F0 #F04DC9 #F0C54D #4DF074

square

#4D78F0 #F04DC9 #F0C54D #4DF074

split-complementary

#4D78F0 #F0744D #C9F04D

monochromatic

#0F3AB3 #154DEB #4D78F0 #85A3F5 #BECEFA

Accessibility & contrast

On white

3.99

#4D78F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#4D78F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78F0

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78F0	#FFFFFF	#000000	##000000
##4D78F0	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3187F4

Deuteranopia (green-blind)

#0078EE

Tritanopia (blue-blind)

#0094A9

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4d78f0;
/* rgb */ color: rgb(77, 120, 240);
/* oklch */ color: oklch(60.6% 0.187 266.1);

Tailwind

colors: {
  custom: {
    50: '#909ef6',
    500: '#4d78f0',
    950: '#000000',
  },
}

SCSS

$custom: #4d78f0;
$custom-light: #909ef6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78f0",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 240
  },
  "hsl": {
    "h": 224.172,
    "s": 84.456,
    "l": 62.157
  },
  "oklch": {
    "l": 0.60576,
    "c": 0.18662,
    "h": 266.1
  },
  "luminance": 0.21302
}

Semantic roles & 50–950 ramp

primary

#4D78F0

secondary

#EADBAE

accent

#A705E1

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4D78F0

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

Preview Lab → · Contrast checker → · Palette generator →