#5178A3#5178A3

#5178A3 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.2% C 0.080 H 251.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5178A3
RGB	rgb(81, 120, 163)
HSL	hsl(211, 34%, 48%)
HSV	hsv(211, 50%, 64%)
CMYK	cmyk(50.3%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(49.28, -1.25, -27.26)
CIE-LCH	lch(49.28, 27.29, 267.38°)
OKLab	oklab(56.19% -0.0252 -0.0762)
OKLCH	oklch(56.19% 0.08 251.7)
XYZ	xyz(16.7184, 17.8254, 37.2029)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178A3 #A37C51

analogous

#51A1A3 #5178A3 #5351A3

triadic

#5178A3 #A35178 #78A351

tetradic

#5178A3 #A351A1 #A37C51 #51A353

square

#5178A3 #A351A1 #A37C51 #51A353

split-complementary

#5178A3 #A35351 #A1A351

monochromatic

#283C51 #3D5A7A #5178A3 #7697BB #9FB6CF

Accessibility & contrast

On white

4.60

#5178A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#5178A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5178A3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178A3	#FFFFFF	#000000	##FFFFFF
##5178A3	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677AA5

Deuteranopia (green-blind)

#5D72A2

Tritanopia (blue-blind)

#2A8287

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5178a3;
/* rgb */ color: rgb(81, 120, 163);
/* oklch */ color: oklch(56.2% 0.080 251.7);

Tailwind

colors: {
  custom: {
    50: '#879ebe',
    500: '#5178a3',
    950: '#000000',
  },
}

SCSS

$custom: #5178a3;
$custom-light: #879ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#5178a3",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 211.463,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56188,
    "c": 0.08031,
    "h": 251.7
  },
  "luminance": 0.17827
}

Semantic roles & 50–950 ramp

primary

#5178A3

secondary

#BCA993

accent

#975ECA

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #5178A3

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

Preview Lab → · Contrast checker → · Palette generator →