#4B78A5#4B78A5

#4B78A5 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.086 H 249.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B78A5
RGB	rgb(75, 120, 165)
HSL	hsl(210, 38%, 47%)
HSV	hsv(210, 55%, 65%)
CMYK	cmyk(54.5%, 27.3%, 0%, 35.3%)
CIE-LAB	lab(49.06, -2.04, -28.80)
CIE-LCH	lch(49.06, 28.87, 265.95°)
OKLab	oklab(55.96% -0.03 -0.0807)
OKLCH	oklch(55.96% 0.086 249.6)
XYZ	xyz(16.4072, 17.6441, 38.1311)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B78A5 #A5784B

analogous

#4BA5A5 #4B78A5 #4B4BA5

triadic

#4B78A5 #A54B78 #78A54B

tetradic

#4B78A5 #A54BA5 #A5784B #4BA54B

square

#4B78A5 #A54BA5 #A5784B #4BA54B

split-complementary

#4B78A5 #A54B4B #A5A54B

monochromatic

#253B51 #38597B #4B78A5 #6F97BE #9AB5D1

Accessibility & contrast

On white

4.64

#4B78A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4B78A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B78A5

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B78A5	#FFFFFF	#000000	##FFFFFF
##4B78A5	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657AA7

Deuteranopia (green-blind)

#5A71A4

Tritanopia (blue-blind)

#138288

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b78a5;
/* rgb */ color: rgb(75, 120, 165);
/* oklch */ color: oklch(56.0% 0.086 249.6);

Tailwind

colors: {
  custom: {
    50: '#849ec0',
    500: '#4b78a5',
    950: '#000000',
  },
}

SCSS

$custom: #4b78a5;
$custom-light: #849ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b78a5",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 165
  },
  "hsl": {
    "h": 210,
    "s": 37.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55959,
    "c": 0.08615,
    "h": 249.6
  },
  "luminance": 0.17645
}

Semantic roles & 50–950 ramp

primary

#4B78A5

secondary

#BDA68F

accent

#945ACD

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4B78A5

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

Preview Lab → · Contrast checker → · Palette generator →