#4E78C0#4E78C0

#4E78C0 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.6% C 0.121 H 260.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4E78C0
RGB	rgb(78, 120, 192)
HSL	hsl(218, 48%, 53%)
HSV	hsv(218, 59%, 75%)
CMYK	cmyk(59.4%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(50.52, 7.52, -42.12)
CIE-LCH	lch(50.52, 42.79, 280.12°)
OKLab	oklab(57.57% -0.0198 -0.1194)
OKLCH	oklch(57.57% 0.121 260.6)
XYZ	xyz(19.3695, 18.8568, 52.4779)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78C0 #C0964E

analogous

#4EB1C0 #4E78C0 #5D4EC0

triadic

#4E78C0 #C04E78 #78C04E

tetradic

#4E78C0 #C04EB1 #C0964E #4EC05D

square

#4E78C0 #C04EB1 #C0964E #4EC05D

split-complementary

#4E78C0 #C05D4E #B1C04E

monochromatic

#27416D #375B9A #4E78C0 #7B9AD0 #A8BDE0

Accessibility & contrast

On white

4.40

#4E78C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4E78C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78C0

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78C0	#FFFFFF	#000000	##000000
##4E78C0	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC3

Deuteranopia (green-blind)

#4B73BE

Tritanopia (blue-blind)

#008893

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e78c0;
/* rgb */ color: rgb(78, 120, 192);
/* oklch */ color: oklch(57.6% 0.121 260.6);

Tailwind

colors: {
  custom: {
    50: '#899ed3',
    500: '#4e78c0',
    950: '#000000',
  },
}

SCSS

$custom: #4e78c0;
$custom-light: #899ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78c0",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 217.895,
    "s": 47.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57567,
    "c": 0.12106,
    "h": 260.6
  },
  "luminance": 0.18858
}

Semantic roles & 50–950 ramp

primary

#4E78C0

secondary

#CEBB9C

accent

#A651D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4E78C0

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

Preview Lab → · Contrast checker → · Palette generator →