#5178A5#5178A5

#5178A5 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.083 H 252.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#5178A5
RGB	rgb(81, 120, 165)
HSL	hsl(212, 34%, 48%)
HSV	hsv(212, 51%, 65%)
CMYK	cmyk(50.9%, 27.3%, 0%, 35.3%)
CIE-LAB	lab(49.37, -0.62, -28.29)
CIE-LCH	lch(49.37, 28.30, 268.74°)
OKLab	oklab(56.29% -0.0246 -0.0792)
OKLCH	oklch(56.29% 0.083 252.8)
XYZ	xyz(16.8990, 17.8976, 38.1541)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178A5 #A57E51

analogous

#51A2A5 #5178A5 #5451A5

triadic

#5178A5 #A55178 #78A551

tetradic

#5178A5 #A551A2 #A57E51 #51A554

square

#5178A5 #A551A2 #A57E51 #51A554

split-complementary

#5178A5 #A55451 #A2A551

monochromatic

#293C53 #3D5A7C #5178A5 #7797BC #A0B6D0

Accessibility & contrast

On white

4.59

#5178A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#5178A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5178A5

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178A5	#FFFFFF	#000000	##FFFFFF
##5178A5	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA7

Deuteranopia (green-blind)

#5C72A4

Tritanopia (blue-blind)

#288288

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5178a5;
/* rgb */ color: rgb(81, 120, 165);
/* oklch */ color: oklch(56.3% 0.083 252.8);

Tailwind

colors: {
  custom: {
    50: '#879ec0',
    500: '#5178a5',
    950: '#000000',
  },
}

SCSS

$custom: #5178a5;
$custom-light: #879ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#5178a5",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 165
  },
  "hsl": {
    "h": 212.143,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56286,
    "c": 0.08294,
    "h": 252.8
  },
  "luminance": 0.17899
}

Semantic roles & 50–950 ramp

primary

#5178A5

secondary

#BDAA94

accent

#985ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #5178A5

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

Preview Lab → · Contrast checker → · Palette generator →