#5178A9#5178A9

#5178A9 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.088 H 254.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5178A9
RGB	rgb(81, 120, 169)
HSL	hsl(213, 35%, 49%)
HSV	hsv(213, 52%, 66%)
CMYK	cmyk(52.1%, 29%, 0%, 33.7%)
CIE-LAB	lab(49.55, 0.64, -30.34)
CIE-LCH	lch(49.55, 30.35, 271.21°)
OKLab	oklab(56.49% -0.0233 -0.0851)
OKLCH	oklch(56.49% 0.088 254.7)
XYZ	xyz(17.2688, 18.0456, 40.1016)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178A9 #A98251

analogous

#51A4A9 #5178A9 #5651A9

triadic

#5178A9 #A95178 #78A951

tetradic

#5178A9 #A951A4 #A98251 #51A956

square

#5178A9 #A951A4 #A98251 #51A956

split-complementary

#5178A9 #A95651 #A4A951

monochromatic

#293D56 #3D5B80 #5178A9 #7998BF #A2B7D2

Accessibility & contrast

On white

4.56

#5178A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#5178A9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178A9

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178A9	#FFFFFF	#000000	##000000
##5178A9	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAB

Deuteranopia (green-blind)

#5A72A8

Tritanopia (blue-blind)

#248389

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5178a9;
/* rgb */ color: rgb(81, 120, 169);
/* oklch */ color: oklch(56.5% 0.088 254.7);

Tailwind

colors: {
  custom: {
    50: '#879ec2',
    500: '#5178a9',
    950: '#000000',
  },
}

SCSS

$custom: #5178a9;
$custom-light: #879ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#5178a9",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 169
  },
  "hsl": {
    "h": 213.409,
    "s": 35.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56486,
    "c": 0.08826,
    "h": 254.7
  },
  "luminance": 0.18047
}

Semantic roles & 50–950 ramp

primary

#5178A9

secondary

#C0AD96

accent

#9A5DCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #5178A9

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

Preview Lab → · Contrast checker → · Palette generator →