#5178AA#5178AA

#5178AA is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.090 H 255.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#5178AA
RGB	rgb(81, 120, 170)
HSL	hsl(214, 35%, 49%)
HSV	hsv(214, 52%, 67%)
CMYK	cmyk(52.4%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(49.60, 0.96, -30.85)
CIE-LCH	lch(49.60, 30.87, 271.78°)
OKLab	oklab(56.54% -0.023 -0.0866)
OKLCH	oklch(56.54% 0.09 255.1)
XYZ	xyz(17.3630, 18.0832, 40.5979)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178AA #AA8351

analogous

#51A5AA #5178AA #5751AA

triadic

#5178AA #AA5178 #78AA51

tetradic

#5178AA #AA51A5 #AA8351 #51AA57

square

#5178AA #AA51A5 #AA8351 #51AA57

split-complementary

#5178AA #AA5751 #A5AA51

monochromatic

#2A3D57 #3D5B81 #5178AA #7998BF #A2B8D3

Accessibility & contrast

On white

4.55

#5178AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#5178AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178AA

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178AA	#FFFFFF	#000000	##000000
##5178AA	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647BAC

Deuteranopia (green-blind)

#5972A9

Tritanopia (blue-blind)

#23838A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5178aa;
/* rgb */ color: rgb(81, 120, 170);
/* oklch */ color: oklch(56.5% 0.090 255.1);

Tailwind

colors: {
  custom: {
    50: '#879ec3',
    500: '#5178aa',
    950: '#000000',
  },
}

SCSS

$custom: #5178aa;
$custom-light: #879ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#5178aa",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 213.708,
    "s": 35.458,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56537,
    "c": 0.08961,
    "h": 255.1
  },
  "luminance": 0.18085
}

Semantic roles & 50–950 ramp

primary

#5178AA

secondary

#C0AE97

accent

#9B5CCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #5178AA

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

Preview Lab → · Contrast checker → · Palette generator →