#4E78B0#4E78B0

#4E78B0 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.099 H 256.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4E78B0
RGB	rgb(78, 120, 176)
HSL	hsl(214, 39%, 50%)
HSV	hsv(214, 56%, 69%)
CMYK	cmyk(55.7%, 31.8%, 0%, 31%)
CIE-LAB	lab(49.72, 2.21, -34.15)
CIE-LCH	lch(49.72, 34.22, 273.70°)
OKLab	oklab(56.68% -0.024 -0.0962)
OKLCH	oklch(56.68% 0.099 256)
XYZ	xyz(17.6921, 18.1858, 43.6438)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78B0 #B0864E

analogous

#4EA9B0 #4E78B0 #554EB0

triadic

#4E78B0 #B04E78 #78B04E

tetradic

#4E78B0 #B04EA9 #B0864E #4EB055

square

#4E78B0 #B04EA9 #B0864E #4EB055

split-complementary

#4E78B0 #B0554E #A9B04E

monochromatic

#283E5B #3B5B86 #4E78B0 #7898C3 #A2B9D6

Accessibility & contrast

On white

4.53

#4E78B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4E78B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78B0

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78B0	#FFFFFF	#000000	##000000
##4E78B0	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617BB2

Deuteranopia (green-blind)

#5572AF

Tritanopia (blue-blind)

#0C858C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e78b0;
/* rgb */ color: rgb(78, 120, 176);
/* oklch */ color: oklch(56.7% 0.099 256.0);

Tailwind

colors: {
  custom: {
    50: '#879ec8',
    500: '#4e78b0',
    950: '#000000',
  },
}

SCSS

$custom: #4e78b0;
$custom-light: #879ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78b0",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 176
  },
  "hsl": {
    "h": 214.286,
    "s": 38.583,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56684,
    "c": 0.09915,
    "h": 256
  },
  "luminance": 0.18187
}

Semantic roles & 50–950 ramp

primary

#4E78B0

secondary

#C3B097

accent

#9C59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E78B0

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

Preview Lab → · Contrast checker → · Palette generator →