#5178A2#5178A2

#5178A2 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.079 H 251.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5178A2
RGB	rgb(81, 120, 162)
HSL	hsl(211, 33%, 48%)
HSV	hsv(211, 50%, 64%)
CMYK	cmyk(50%, 25.9%, 0%, 36.5%)
CIE-LAB	lab(49.24, -1.56, -26.75)
CIE-LCH	lch(49.24, 26.79, 266.67°)
OKLab	oklab(56.14% -0.0256 -0.0748)
OKLCH	oklch(56.14% 0.079 251.1)
XYZ	xyz(16.6292, 17.7897, 36.7329)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178A2 #A27B51

analogous

#51A0A2 #5178A2 #5351A2

triadic

#5178A2 #A25178 #78A251

tetradic

#5178A2 #A251A0 #A27B51 #51A253

square

#5178A2 #A251A0 #A27B51 #51A253

split-complementary

#5178A2 #A25351 #A0A251

monochromatic

#283C50 #3D5A79 #5178A2 #7697BA #9FB6CF

Accessibility & contrast

On white

4.61

#5178A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#5178A2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5178A2

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178A2	#FFFFFF	#000000	##FFFFFF
##5178A2	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677AA4

Deuteranopia (green-blind)

#5D71A1

Tritanopia (blue-blind)

#2B8286

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5178a2;
/* rgb */ color: rgb(81, 120, 162);
/* oklch */ color: oklch(56.1% 0.079 251.1);

Tailwind

colors: {
  custom: {
    50: '#879ebd',
    500: '#5178a2',
    950: '#000000',
  },
}

SCSS

$custom: #5178a2;
$custom-light: #879ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#5178a2",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 162
  },
  "hsl": {
    "h": 211.111,
    "s": 33.333,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56139,
    "c": 0.07901,
    "h": 251.1
  },
  "luminance": 0.17791
}

Semantic roles & 50–950 ramp

primary

#5178A2

secondary

#BCA893

accent

#965EC9

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #5178A2

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

Preview Lab → · Contrast checker → · Palette generator →