#5177CE#5177CE

#5177CE is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.3% C 0.140 H 264.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#5177CE
RGB	rgb(81, 119, 206)
HSL	hsl(222, 56%, 56%)
HSV	hsv(222, 61%, 81%)
CMYK	cmyk(60.7%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(51.15, 13.44, -49.11)
CIE-LCH	lch(51.15, 50.92, 285.31°)
OKLab	oklab(58.34% -0.0131 -0.1399)
OKLCH	oklch(58.34% 0.14 264.7)
XYZ	xyz(21.1269, 19.3974, 61.0113)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177CE #CEA851

analogous

#51B6CE #5177CE #6A51CE

triadic

#5177CE #CE5177 #77CE51

tetradic

#5177CE #CE51B6 #CEA851 #51CE6A

square

#5177CE #CE51B6 #CEA851 #51CE6A

split-complementary

#5177CE #CE6A51 #B6CE51

monochromatic

#244080 #3258B0 #5177CE #819CDB #B1C2E9

Accessibility & contrast

On white

4.30

#5177CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#5177CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177CE

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177CE	#FFFFFF	#000000	##000000
##5177CE	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5080D1

Deuteranopia (green-blind)

#3E75CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5177ce;
/* rgb */ color: rgb(81, 119, 206);
/* oklch */ color: oklch(58.3% 0.140 264.7);

Tailwind

colors: {
  custom: {
    50: '#8c9ddd',
    500: '#5177ce',
    950: '#000000',
  },
}

SCSS

$custom: #5177ce;
$custom-light: #8c9ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#5177ce",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 221.76,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58341,
    "c": 0.14047,
    "h": 264.7
  },
  "luminance": 0.19399
}

Semantic roles & 50–950 ramp

primary

#5177CE

secondary

#D7C7A4

accent

#B148DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5177CE

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

Preview Lab → · Contrast checker → · Palette generator →