#4E78C1#4E78C1

#4E78C1 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.6% C 0.122 H 260.8°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E78C1
RGB	rgb(78, 120, 193)
HSL	hsl(218, 48%, 53%)
HSV	hsv(218, 60%, 76%)
CMYK	cmyk(59.6%, 37.8%, 0%, 24.3%)
CIE-LAB	lab(50.57, 7.85, -42.61)
CIE-LCH	lch(50.57, 43.33, 280.44°)
OKLab	oklab(57.63% -0.0196 -0.1209)
OKLCH	oklch(57.63% 0.122 260.8)
XYZ	xyz(19.4806, 18.9012, 53.0634)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78C1 #C1974E

analogous

#4EB1C1 #4E78C1 #5D4EC1

triadic

#4E78C1 #C14E78 #78C14E

tetradic

#4E78C1 #C14EB1 #C1974E #4EC15D

square

#4E78C1 #C14EB1 #C1974E #4EC15D

split-complementary

#4E78C1 #C15D4E #B1C14E

monochromatic

#27416E #365B9B #4E78C1 #7B9BD1 #A9BDE1

Accessibility & contrast

On white

4.39

#4E78C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4E78C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78C1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78C1	#FFFFFF	#000000	##000000
##4E78C1	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597EC4

Deuteranopia (green-blind)

#4A73BF

Tritanopia (blue-blind)

#008893

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e78c1;
/* rgb */ color: rgb(78, 120, 193);
/* oklch */ color: oklch(57.6% 0.122 260.8);

Tailwind

colors: {
  custom: {
    50: '#899ed4',
    500: '#4e78c1',
    950: '#000000',
  },
}

SCSS

$custom: #4e78c1;
$custom-light: #899ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78c1",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 193
  },
  "hsl": {
    "h": 218.087,
    "s": 48.117,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57625,
    "c": 0.12244,
    "h": 260.8
  },
  "luminance": 0.18903
}

Semantic roles & 50–950 ramp

primary

#4E78C1

secondary

#CEBC9D

accent

#A650D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4E78C1

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

Preview Lab → · Contrast checker → · Palette generator →