#4E78A3#4E78A3

#4E78A3 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.082 H 250.0°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4E78A3
RGB	rgb(78, 120, 163)
HSL	hsl(210, 35%, 47%)
HSV	hsv(210, 52%, 64%)
CMYK	cmyk(52.1%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(49.12, -1.97, -27.52)
CIE-LCH	lch(49.12, 27.59, 265.90°)
OKLab	oklab(56.02% -0.028 -0.077)
OKLCH	oklch(56.02% 0.082 250)
XYZ	xyz(16.4669, 17.6957, 37.1911)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78A3 #A3794E

analogous

#4EA3A3 #4E78A3 #4E4EA3

triadic

#4E78A3 #A34E78 #78A34E

tetradic

#4E78A3 #A34EA3 #A3794E #4EA34E

square

#4E78A3 #A34EA3 #A3794E #4EA34E

split-complementary

#4E78A3 #A34E4E #A3A34E

monochromatic

#263B50 #3A5A7A #4E78A3 #7297BC #9CB5D0

Accessibility & contrast

On white

4.63

#4E78A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4E78A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4E78A3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78A3	#FFFFFF	#000000	##FFFFFF
##4E78A3	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A5

Deuteranopia (green-blind)

#5C71A2

Tritanopia (blue-blind)

#228287

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4e78a3;
/* rgb */ color: rgb(78, 120, 163);
/* oklch */ color: oklch(56.0% 0.082 250.0);

Tailwind

colors: {
  custom: {
    50: '#859ebe',
    500: '#4e78a3',
    950: '#000000',
  },
}

SCSS

$custom: #4e78a3;
$custom-light: #859ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78a3",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 210.353,
    "s": 35.27,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56021,
    "c": 0.08196,
    "h": 250
  },
  "luminance": 0.17697
}

Semantic roles & 50–950 ramp

primary

#4E78A3

secondary

#BCA791

accent

#955CCB

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4E78A3

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

Preview Lab → · Contrast checker → · Palette generator →