#5178FD#5178FD

#5178FD is a mid, highly saturated blue. Relative luminance 0.223; OKLCH L 61.7% C 0.203 H 267.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5178FD
RGB	rgb(81, 120, 253)
HSL	hsl(226, 98%, 65%)
HSV	hsv(226, 68%, 99%)
CMYK	cmyk(68%, 52.6%, 0%, 0.8%)
CIE-LAB	lab(54.31, 28.95, -70.38)
CIE-LCH	lch(54.31, 76.10, 292.36°)
OKLab	oklab(61.68% -0.008 -0.2024)
OKLCH	oklch(61.68% 0.203 267.7)
XYZ	xyz(27.8333, 22.2714, 95.7414)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178FD #FDD651

analogous

#51CEFD #5178FD #8051FD

triadic

#5178FD #FD5178 #78FD51

tetradic

#5178FD #FD51CE #FDD651 #51FD80

square

#5178FD #FD51CE #FDD651 #51FD80

split-complementary

#5178FD #FD8051 #CEFD51

monochromatic

#0231D1 #1449FC #5178FD #8EA7FE #CAD6FE

Accessibility & contrast

On white

3.85

#5178FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#5178FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178FD

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178FD	#FFFFFF	#000000	##000000
##5178FD	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#188AFF

Deuteranopia (green-blind)

#007AFA

Tritanopia (blue-blind)

#0098AF

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5178fd;
/* rgb */ color: rgb(81, 120, 253);
/* oklch */ color: oklch(61.7% 0.203 267.7);

Tailwind

colors: {
  custom: {
    50: '#949eff',
    500: '#5178fd',
    950: '#000000',
  },
}

SCSS

$custom: #5178fd;
$custom-light: #949eff;
$custom-dark: #000000;

JSON

{
  "hex": "#5178fd",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 253
  },
  "hsl": {
    "h": 226.395,
    "s": 97.727,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61684,
    "c": 0.20253,
    "h": 267.7
  },
  "luminance": 0.22274
}

Semantic roles & 50–950 ramp

primary

#5178FD

secondary

#F2E5B8

accent

#B100E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #5178FD

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

Preview Lab → · Contrast checker → · Palette generator →