#4D78E1#4D78E1

#4D78E1 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.6% C 0.167 H 265.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4D78E1
RGB	rgb(77, 120, 225)
HSL	hsl(223, 71%, 59%)
HSV	hsv(223, 66%, 88%)
CMYK	cmyk(65.8%, 46.7%, 0%, 11.8%)
CIE-LAB	lab(52.34, 18.65, -57.97)
CIE-LCH	lch(52.34, 60.90, 287.84°)
OKLab	oklab(59.56% -0.0145 -0.1659)
OKLCH	oklch(59.56% 0.167 265)
XYZ	xyz(23.3629, 20.4447, 73.9346)
Luminance	0.2045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78E1 #E1B64D

analogous

#4DC2E1 #4D78E1 #6C4DE1

triadic

#4D78E1 #E14D78 #78E14D

tetradic

#4D78E1 #E14DC2 #E1B64D #4DE16C

square

#4D78E1 #E14DC2 #E1B64D #4DE16C

split-complementary

#4D78E1 #E16C4D #C2E14D

monochromatic

#1A3F9A #2355CE #4D78E1 #81A0EA #B6C7F3

Accessibility & contrast

On white

4.13

#4D78E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#4D78E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78E1

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78E1	#FFFFFF	#000000	##000000
##4D78E1	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4284E5

Deuteranopia (green-blind)

#2476DF

Tritanopia (blue-blind)

#0090A2

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4d78e1;
/* rgb */ color: rgb(77, 120, 225);
/* oklch */ color: oklch(59.6% 0.167 265.0);

Tailwind

colors: {
  custom: {
    50: '#8e9eeb',
    500: '#4d78e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d78e1;
$custom-light: #8e9eeb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78e1",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 225
  },
  "hsl": {
    "h": 222.568,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.59559,
    "c": 0.16657,
    "h": 265
  },
  "luminance": 0.20447
}

Semantic roles & 50–950 ramp

primary

#4D78E1

secondary

#E2D1A8

accent

#BA3AEE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4D78E1

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

Preview Lab → · Contrast checker → · Palette generator →