#4D78D3#4D78D3

#4D78D3 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.7% C 0.148 H 263.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4D78D3
RGB	rgb(77, 120, 211)
HSL	hsl(221, 60%, 56%)
HSV	hsv(221, 64%, 83%)
CMYK	cmyk(63.5%, 43.1%, 0%, 17.3%)
CIE-LAB	lab(51.51, 13.81, -51.39)
CIE-LCH	lch(51.51, 53.21, 285.04°)
OKLab	oklab(58.66% -0.0167 -0.1466)
OKLCH	oklch(58.66% 0.148 263.5)
XYZ	xyz(21.5308, 19.7119, 64.2855)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78D3 #D3A84D

analogous

#4DBBD3 #4D78D3 #654DD3

triadic

#4D78D3 #D34D78 #78D34D

tetradic

#4D78D3 #D34DBB #D3A84D #4DD365

square

#4D78D3 #D34DBB #D3A84D #4DD365

split-complementary

#4D78D3 #D3654D #BBD34D

monochromatic

#214185 #2D59B6 #4D78D3 #7E9DDF #AFC2EB

Accessibility & contrast

On white

4.25

#4D78D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#4D78D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78D3

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78D3	#FFFFFF	#000000	##000000
##4D78D3	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E81D6

Deuteranopia (green-blind)

#3975D1

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4d78d3;
/* rgb */ color: rgb(77, 120, 211);
/* oklch */ color: oklch(58.7% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#8b9ee1',
    500: '#4d78d3',
    950: '#000000',
  },
}

SCSS

$custom: #4d78d3;
$custom-light: #8b9ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78d3",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 211
  },
  "hsl": {
    "h": 220.746,
    "s": 60.36,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58658,
    "c": 0.14755,
    "h": 263.5
  },
  "luminance": 0.19714
}

Semantic roles & 50–950 ramp

primary

#4D78D3

secondary

#D9C8A2

accent

#B044E4

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D78D3

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

Preview Lab → · Contrast checker → · Palette generator →