#5178F9#5178F9

#5178F9 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.4% C 0.197 H 267.6°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5178F9
RGB	rgb(81, 120, 249)
HSL	hsl(226, 93%, 65%)
HSV	hsv(226, 67%, 98%)
CMYK	cmyk(67.5%, 51.8%, 0%, 2.4%)
CIE-LAB	lab(54.05, 27.58, -68.59)
CIE-LCH	lch(54.05, 73.93, 291.90°)
OKLab	oklab(61.4% -0.0083 -0.1971)
OKLCH	oklch(61.4% 0.197 267.6)
XYZ	xyz(27.2028, 22.0192, 92.4207)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178F9 #F9D251

analogous

#51CCF9 #5178F9 #7E51F9

triadic

#5178F9 #F95178 #78F951

tetradic

#5178F9 #F951CC #F9D251 #51F97E

square

#5178F9 #F951CC #F9D251 #51F97E

split-complementary

#5178F9 #F97E51 #CCF951

monochromatic

#0734C9 #164AF7 #5178F9 #8CA6FB #C7D4FD

Accessibility & contrast

On white

3.89

#5178F9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#5178F9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178F9

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178F9	#FFFFFF	#000000	##000000
##5178F9	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2289FE

Deuteranopia (green-blind)

#007AF6

Tritanopia (blue-blind)

#0097AD

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5178f9;
/* rgb */ color: rgb(81, 120, 249);
/* oklch */ color: oklch(61.4% 0.197 267.6);

Tailwind

colors: {
  custom: {
    50: '#949efc',
    500: '#5178f9',
    950: '#000000',
  },
}

SCSS

$custom: #5178f9;
$custom-light: #949efc;
$custom-dark: #000000;

JSON

{
  "hex": "#5178f9",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 249
  },
  "hsl": {
    "h": 226.071,
    "s": 93.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61398,
    "c": 0.19731,
    "h": 267.6
  },
  "luminance": 0.22022
}

Semantic roles & 50–950 ramp

primary

#5178F9

secondary

#F0E2B6

accent

#B000E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0E18

muted

#7E7E86

Preview Lab

Preview with #5178F9

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

Preview Lab → · Contrast checker → · Palette generator →