#5177E9#5177E9

#5177E9 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 60.1% C 0.177 H 267.1°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5177E9
RGB	rgb(81, 119, 233)
HSL	hsl(225, 78%, 62%)
HSV	hsv(225, 65%, 91%)
CMYK	cmyk(65.2%, 48.9%, 0%, 8.6%)
CIE-LAB	lab(52.76, 22.68, -61.77)
CIE-LCH	lch(52.76, 65.80, 290.16°)
OKLab	oklab(60.09% -0.009 -0.1771)
OKLCH	oklch(60.09% 0.177 267.1)
XYZ	xyz(24.6931, 20.8239, 79.7931)
Luminance	0.2083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177E9 #E9C351

analogous

#51C3E9 #5177E9 #7751E9

triadic

#5177E9 #E95177 #77E951

tetradic

#5177E9 #E951C3 #E9C351 #51E977

square

#5177E9 #E951C3 #E9C351 #51E977

split-complementary

#5177E9 #E97751 #C3E951

monochromatic

#163BAA #1C4DE0 #5177E9 #87A1F0 #BECCF7

Accessibility & contrast

On white

4.07

#5177E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#5177E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177E9

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177E9	#FFFFFF	#000000	##000000
##5177E9	1.00	4.07	5.17	5.17
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3885ED

Deuteranopia (green-blind)

#0B77E7

Tritanopia (blue-blind)

#0092A5

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5177e9;
/* rgb */ color: rgb(81, 119, 233);
/* oklch */ color: oklch(60.1% 0.177 267.1);

Tailwind

colors: {
  custom: {
    50: '#919df1',
    500: '#5177e9',
    950: '#000000',
  },
}

SCSS

$custom: #5177e9;
$custom-light: #919df1;
$custom-dark: #000000;

JSON

{
  "hex": "#5177e9",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 233
  },
  "hsl": {
    "h": 225,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6009,
    "c": 0.17729,
    "h": 267.1
  },
  "luminance": 0.20826
}

Semantic roles & 50–950 ramp

primary

#5177E9

secondary

#E7D9AF

accent

#A60CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5177E9

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

Preview Lab → · Contrast checker → · Palette generator →