#4D78D0#4D78D0

#4D78D0 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.143 H 263.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4D78D0
RGB	rgb(77, 120, 208)
HSL	hsl(220, 58%, 56%)
HSV	hsv(220, 63%, 82%)
CMYK	cmyk(63%, 42.3%, 0%, 18.4%)
CIE-LAB	lab(51.34, 12.77, -49.96)
CIE-LCH	lch(51.34, 51.56, 284.34°)
OKLab	oklab(58.47% -0.0173 -0.1424)
OKLCH	oklch(58.47% 0.143 263.1)
XYZ	xyz(21.1582, 19.5629, 62.3233)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78D0 #D0A54D

analogous

#4DBAD0 #4D78D0 #634DD0

triadic

#4D78D0 #D04D78 #78D04D

tetradic

#4D78D0 #D04DBA #D0A54D #4DD063

square

#4D78D0 #D04DBA #D0A54D #4DD063

split-complementary

#4D78D0 #D0634D #BAD04D

monochromatic

#224181 #2F5AB1 #4D78D0 #7D9DDD #AEC1EA

Accessibility & contrast

On white

4.27

#4D78D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#4D78D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78D0

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78D0	#FFFFFF	#000000	##000000
##4D78D0	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D3

Deuteranopia (green-blind)

#3C75CE

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4d78d0;
/* rgb */ color: rgb(77, 120, 208);
/* oklch */ color: oklch(58.5% 0.143 263.1);

Tailwind

colors: {
  custom: {
    50: '#8b9edf',
    500: '#4d78d0',
    950: '#000000',
  },
}

SCSS

$custom: #4d78d0;
$custom-light: #8b9edf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78d0",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 208
  },
  "hsl": {
    "h": 220.305,
    "s": 58.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58471,
    "c": 0.14345,
    "h": 263.1
  },
  "luminance": 0.19565
}

Semantic roles & 50–950 ramp

primary

#4D78D0

secondary

#D8C6A1

accent

#AF46E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D78D0

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

Preview Lab → · Contrast checker → · Palette generator →