#4E78A4#4E78A4

#4E78A4 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.083 H 250.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4E78A4
RGB	rgb(78, 120, 164)
HSL	hsl(211, 36%, 47%)
HSV	hsv(211, 52%, 64%)
CMYK	cmyk(52.4%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(49.17, -1.66, -28.04)
CIE-LCH	lch(49.17, 28.08, 266.62°)
OKLab	oklab(56.07% -0.0277 -0.0785)
OKLCH	oklch(56.07% 0.083 250.6)
XYZ	xyz(16.5569, 17.7317, 37.6648)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78A4 #A47A4E

analogous

#4EA3A4 #4E78A4 #4F4EA4

triadic

#4E78A4 #A44E78 #78A44E

tetradic

#4E78A4 #A44EA3 #A47A4E #4EA44F

square

#4E78A4 #A44EA3 #A47A4E #4EA44F

split-complementary

#4E78A4 #A44F4E #A3A44E

monochromatic

#273B51 #3A5A7B #4E78A4 #7397BC #9CB6D0

Accessibility & contrast

On white

4.62

#4E78A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4E78A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4E78A4

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78A4	#FFFFFF	#000000	##FFFFFF
##4E78A4	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA6

Deuteranopia (green-blind)

#5B71A3

Tritanopia (blue-blind)

#218287

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4e78a4;
/* rgb */ color: rgb(78, 120, 164);
/* oklch */ color: oklch(56.1% 0.083 250.6);

Tailwind

colors: {
  custom: {
    50: '#859ebf',
    500: '#4e78a4',
    950: '#000000',
  },
}

SCSS

$custom: #4e78a4;
$custom-light: #859ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78a4",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 210.698,
    "s": 35.537,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5607,
    "c": 0.08324,
    "h": 250.6
  },
  "luminance": 0.17733
}

Semantic roles & 50–950 ramp

primary

#4E78A4

secondary

#BDA791

accent

#955CCC

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4E78A4

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

Preview Lab → · Contrast checker → · Palette generator →