#4B78A4#4B78A4

#4B78A4 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.9% C 0.085 H 249.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B78A4
RGB	rgb(75, 120, 164)
HSL	hsl(210, 37%, 47%)
HSV	hsv(210, 54%, 64%)
CMYK	cmyk(54.3%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(49.02, -2.36, -28.28)
CIE-LCH	lch(49.02, 28.38, 265.23°)
OKLab	oklab(55.91% -0.0304 -0.0793)
OKLCH	oklch(55.91% 0.085 249)
XYZ	xyz(16.3166, 17.6078, 37.6536)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B78A4 #A4774B

analogous

#4BA4A4 #4B78A4 #4B4CA4

triadic

#4B78A4 #A44B78 #78A44B

tetradic

#4B78A4 #A44BA4 #A4774B #4CA44B

square

#4B78A4 #A44BA4 #A4774B #4CA44B

split-complementary

#4B78A4 #A44B4C #A4A44B

monochromatic

#253B50 #38597A #4B78A4 #6F97BD #99B5D0

Accessibility & contrast

On white

4.64

#4B78A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4B78A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B78A4

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B78A4	#FFFFFF	#000000	##FFFFFF
##4B78A4	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A6

Deuteranopia (green-blind)

#5A71A3

Tritanopia (blue-blind)

#158287

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4b78a4;
/* rgb */ color: rgb(75, 120, 164);
/* oklch */ color: oklch(55.9% 0.085 249.0);

Tailwind

colors: {
  custom: {
    50: '#839ebf',
    500: '#4b78a4',
    950: '#000000',
  },
}

SCSS

$custom: #4b78a4;
$custom-light: #839ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b78a4",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 209.663,
    "s": 37.238,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55909,
    "c": 0.08488,
    "h": 249
  },
  "luminance": 0.17609
}

Semantic roles & 50–950 ramp

primary

#4B78A4

secondary

#BDA58E

accent

#935BCD

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4B78A4

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

Preview Lab → · Contrast checker → · Palette generator →