#4C78A5#4C78A5

#4C78A5 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.086 H 250.1°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4C78A5
RGB	rgb(76, 120, 165)
HSL	hsl(210, 37%, 47%)
HSV	hsv(210, 54%, 65%)
CMYK	cmyk(53.9%, 27.3%, 0%, 35.3%)
CIE-LAB	lab(49.11, -1.81, -28.72)
CIE-LCH	lch(49.11, 28.77, 266.40°)
OKLab	oklab(56.01% -0.0291 -0.0805)
OKLCH	oklch(56.01% 0.086 250.1)
XYZ	xyz(16.4861, 17.6847, 38.1347)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78A5 #A5794C

analogous

#4CA4A5 #4C78A5 #4D4CA5

triadic

#4C78A5 #A54C78 #78A54C

tetradic

#4C78A5 #A54CA4 #A5794C #4CA54D

square

#4C78A5 #A54CA4 #A5794C #4CA54D

split-complementary

#4C78A5 #A54D4C #A4A54C

monochromatic

#253B51 #395A7B #4C78A5 #7197BD #9BB5D1

Accessibility & contrast

On white

4.63

#4C78A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4C78A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4C78A5

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78A5	#FFFFFF	#000000	##FFFFFF
##4C78A5	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)

#667AA7

Deuteranopia (green-blind)

#5A71A4

Tritanopia (blue-blind)

#188288

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4c78a5;
/* rgb */ color: rgb(76, 120, 165);
/* oklch */ color: oklch(56.0% 0.086 250.1);

Tailwind

colors: {
  custom: {
    50: '#849ec0',
    500: '#4c78a5',
    950: '#000000',
  },
}

SCSS

$custom: #4c78a5;
$custom-light: #849ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78a5",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 165
  },
  "hsl": {
    "h": 210.337,
    "s": 36.929,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56012,
    "c": 0.08562,
    "h": 250.1
  },
  "luminance": 0.17686
}

Semantic roles & 50–950 ramp

primary

#4C78A5

secondary

#BDA78F

accent

#955BCD

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4C78A5

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

Preview Lab → · Contrast checker → · Palette generator →