#4A78A3#4A78A3

#4A78A3 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.084 H 248.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4A78A3
RGB	rgb(74, 120, 163)
HSL	hsl(209, 38%, 46%)
HSV	hsv(209, 55%, 64%)
CMYK	cmyk(54.6%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(48.92, -2.91, -27.85)
CIE-LCH	lch(48.92, 28.00, 264.03°)
OKLab	oklab(55.81% -0.0316 -0.078)
OKLCH	oklch(55.81% 0.084 248)
XYZ	xyz(16.1490, 17.5318, 37.1762)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78A3 #A3754A

analogous

#4AA3A2 #4A78A3 #4A4CA3

triadic

#4A78A3 #A34A78 #78A34A

tetradic

#4A78A3 #A24AA3 #A3754A #4CA34A

square

#4A78A3 #A24AA3 #A3754A #4CA34A

split-complementary

#4A78A3 #A34A4C #A3A24A

monochromatic

#243A4F #375979 #4A78A3 #6D96BD #97B5D0

Accessibility & contrast

On white

4.66

#4A78A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4A78A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4A78A3

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78A3	#FFFFFF	#000000	##FFFFFF
##4A78A3	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A5

Deuteranopia (green-blind)

#5A70A2

Tritanopia (blue-blind)

#128287

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4a78a3;
/* rgb */ color: rgb(74, 120, 163);
/* oklch */ color: oklch(55.8% 0.084 248.0);

Tailwind

colors: {
  custom: {
    50: '#839ebe',
    500: '#4a78a3',
    950: '#000000',
  },
}

SCSS

$custom: #4a78a3;
$custom-light: #839ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78a3",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 208.989,
    "s": 37.553,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55807,
    "c": 0.08417,
    "h": 248
  },
  "luminance": 0.17533
}

Semantic roles & 50–950 ramp

primary

#4A78A3

secondary

#BCA48D

accent

#925ACE

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4A78A3

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

Preview Lab → · Contrast checker → · Palette generator →