#4E78B1#4E78B1

#4E78B1 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.101 H 256.3°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4E78B1
RGB	rgb(78, 120, 177)
HSL	hsl(215, 39%, 50%)
HSV	hsv(215, 56%, 69%)
CMYK	cmyk(55.9%, 32.2%, 0%, 30.6%)
CIE-LAB	lab(49.77, 2.53, -34.66)
CIE-LCH	lch(49.77, 34.75, 274.18°)
OKLab	oklab(56.74% -0.0237 -0.0977)
OKLCH	oklch(56.74% 0.101 256.3)
XYZ	xyz(17.7914, 18.2255, 44.1668)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78B1 #B1874E

analogous

#4EAAB1 #4E78B1 #554EB1

triadic

#4E78B1 #B14E78 #78B14E

tetradic

#4E78B1 #B14EAA #B1874E #4EB155

square

#4E78B1 #B14EAA #B1874E #4EB155

split-complementary

#4E78B1 #B1554E #AAB14E

monochromatic

#293E5C #3B5B87 #4E78B1 #7898C4 #A3B9D6

Accessibility & contrast

On white

4.52

#4E78B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4E78B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78B1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78B1	#FFFFFF	#000000	##000000
##4E78B1	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617CB3

Deuteranopia (green-blind)

#5472B0

Tritanopia (blue-blind)

#09858C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e78b1;
/* rgb */ color: rgb(78, 120, 177);
/* oklch */ color: oklch(56.7% 0.101 256.3);

Tailwind

colors: {
  custom: {
    50: '#879ec8',
    500: '#4e78b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e78b1;
$custom-light: #879ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78b1",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 177
  },
  "hsl": {
    "h": 214.545,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.56737,
    "c": 0.10051,
    "h": 256.3
  },
  "luminance": 0.18227
}

Semantic roles & 50–950 ramp

primary

#4E78B1

secondary

#C4B197

accent

#9D59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E78B1

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

Preview Lab → · Contrast checker → · Palette generator →