#5178FF#5178FF

#5178FF is a mid, highly saturated blue. Relative luminance 0.224; OKLCH L 61.8% C 0.205 H 267.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#5178FF
RGB	rgb(81, 120, 255)
HSL	hsl(227, 100%, 66%)
HSV	hsv(227, 68%, 100%)
CMYK	cmyk(68.2%, 52.9%, 0%, 0%)
CIE-LAB	lab(54.45, 29.64, -71.26)
CIE-LCH	lch(54.45, 77.18, 292.59°)
OKLab	oklab(61.83% -0.0079 -0.205)
OKLCH	oklch(61.83% 0.205 267.8)
XYZ	xyz(28.1536, 22.3995, 97.4282)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178FF #FFD851

analogous

#51CFFF #5178FF #8151FF

triadic

#5178FF #FF5178 #78FF51

tetradic

#5178FF #FF51CF #FFD851 #51FF81

square

#5178FF #FF51CF #FFD851 #51FF81

split-complementary

#5178FF #FF8151 #CFFF51

monochromatic

#0030D6 #1449FF #5178FF #8EA7FF #CBD7FF

Accessibility & contrast

On white

3.83

#5178FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#5178FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178FF

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178FF	#FFFFFF	#000000	##000000
##5178FF	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#108BFF

Deuteranopia (green-blind)

#007BFC

Tritanopia (blue-blind)

#0098B0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5178ff;
/* rgb */ color: rgb(81, 120, 255);
/* oklch */ color: oklch(61.8% 0.205 267.8);

Tailwind

colors: {
  custom: {
    50: '#959eff',
    500: '#5178ff',
    950: '#000000',
  },
}

SCSS

$custom: #5178ff;
$custom-light: #959eff;
$custom-dark: #000000;

JSON

{
  "hex": "#5178ff",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 255
  },
  "hsl": {
    "h": 226.552,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.61829,
    "c": 0.20513,
    "h": 267.8
  },
  "luminance": 0.22402
}

Semantic roles & 50–950 ramp

primary

#5178FF

secondary

#F3E6B9

accent

#B200E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #5178FF

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

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