#4D78CE#4D78CE

#4D78CE is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.141 H 262.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4D78CE
RGB	rgb(77, 120, 206)
HSL	hsl(220, 57%, 55%)
HSV	hsv(220, 63%, 81%)
CMYK	cmyk(62.6%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(51.23, 12.09, -49.00)
CIE-LCH	lch(51.23, 50.47, 283.86°)
OKLab	oklab(58.35% -0.0177 -0.1396)
OKLCH	oklch(58.35% 0.141 262.8)
XYZ	xyz(20.9137, 19.4651, 61.0355)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78CE #CEA34D

analogous

#4DB8CE #4D78CE #624DCE

triadic

#4D78CE #CE4D78 #78CE4D

tetradic

#4D78CE #CE4DB8 #CEA34D #4DCE62

square

#4D78CE #CE4DB8 #CEA34D #4DCE62

split-complementary

#4D78CE #CE624D #B8CE4D

monochromatic

#23417E #305AAE #4D78CE #7D9CDB #ADC1E8

Accessibility & contrast

On white

4.29

#4D78CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4D78CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78CE

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78CE	#FFFFFF	#000000	##000000
##4D78CE	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180D1

Deuteranopia (green-blind)

#3E75CC

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4d78ce;
/* rgb */ color: rgb(77, 120, 206);
/* oklch */ color: oklch(58.3% 0.141 262.8);

Tailwind

colors: {
  custom: {
    50: '#8a9edd',
    500: '#4d78ce',
    950: '#000000',
  },
}

SCSS

$custom: #4d78ce;
$custom-light: #8a9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78ce",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 220,
    "s": 56.828,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58348,
    "c": 0.14071,
    "h": 262.8
  },
  "luminance": 0.19467
}

Semantic roles & 50–950 ramp

primary

#4D78CE

secondary

#D6C4A1

accent

#AD48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D78CE

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

Preview Lab → · Contrast checker → · Palette generator →