#5178AC#5178AC

#5178AC is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.6% C 0.092 H 255.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5178AC
RGB	rgb(81, 120, 172)
HSL	hsl(214, 36%, 50%)
HSV	hsv(214, 53%, 67%)
CMYK	cmyk(52.9%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(49.69, 1.60, -31.87)
CIE-LCH	lch(49.69, 31.91, 272.87°)
OKLab	oklab(56.64% -0.0224 -0.0895)
OKLCH	oklch(56.64% 0.092 255.9)
XYZ	xyz(17.5536, 18.1595, 41.6019)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178AC #AC8551

analogous

#51A5AC #5178AC #5851AC

triadic

#5178AC #AC5178 #78AC51

tetradic

#5178AC #AC51A5 #AC8551 #51AC58

square

#5178AC #AC51A5 #AC8551 #51AC58

split-complementary

#5178AC #AC5851 #A5AC51

monochromatic

#2A3E59 #3D5B82 #5178AC #7A98C0 #A3B8D4

Accessibility & contrast

On white

4.53

#5178AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#5178AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178AC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178AC	#FFFFFF	#000000	##000000
##5178AC	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637BAE

Deuteranopia (green-blind)

#5872AB

Tritanopia (blue-blind)

#21848A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5178ac;
/* rgb */ color: rgb(81, 120, 172);
/* oklch */ color: oklch(56.6% 0.092 255.9);

Tailwind

colors: {
  custom: {
    50: '#889ec5',
    500: '#5178ac',
    950: '#000000',
  },
}

SCSS

$custom: #5178ac;
$custom-light: #889ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#5178ac",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 214.286,
    "s": 35.968,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56639,
    "c": 0.09231,
    "h": 255.9
  },
  "luminance": 0.18161
}

Semantic roles & 50–950 ramp

primary

#5178AC

secondary

#C1AF98

accent

#9C5CCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5178AC

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

Preview Lab → · Contrast checker → · Palette generator →