#4D78DD#4D78DD

#4D78DD is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.3% C 0.161 H 264.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4D78DD
RGB	rgb(77, 120, 221)
HSL	hsl(222, 68%, 58%)
HSV	hsv(222, 65%, 87%)
CMYK	cmyk(65.2%, 45.7%, 0%, 13.3%)
CIE-LAB	lab(52.10, 17.27, -56.10)
CIE-LCH	lch(52.10, 58.70, 287.11°)
OKLab	oklab(59.3% -0.0151 -0.1605)
OKLCH	oklch(59.3% 0.161 264.6)
XYZ	xyz(22.8236, 20.2290, 71.0944)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78DD #DDB24D

analogous

#4DC0DD #4D78DD #6A4DDD

triadic

#4D78DD #DD4D78 #78DD4D

tetradic

#4D78DD #DD4DC0 #DDB24D #4DDD6A

square

#4D78DD #DD4DC0 #DDB24D #4DDD6A

split-complementary

#4D78DD #DD6A4D #C0DD4D

monochromatic

#1C4093 #2656C7 #4D78DD #809FE7 #B4C6F1

Accessibility & contrast

On white

4.16

#4D78DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4D78DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78DD

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78DD	#FFFFFF	#000000	##000000
##4D78DD	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4683E1

Deuteranopia (green-blind)

#2B76DB

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4d78dd;
/* rgb */ color: rgb(77, 120, 221);
/* oklch */ color: oklch(59.3% 0.161 264.6);

Tailwind

colors: {
  custom: {
    50: '#8d9ee8',
    500: '#4d78dd',
    950: '#000000',
  },
}

SCSS

$custom: #4d78dd;
$custom-light: #8d9ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78dd",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 221
  },
  "hsl": {
    "h": 222.083,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59297,
    "c": 0.16117,
    "h": 264.6
  },
  "luminance": 0.20231
}

Semantic roles & 50–950 ramp

primary

#4D78DD

secondary

#DFCEA6

accent

#B73DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4D78DD

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

Preview Lab → · Contrast checker → · Palette generator →