#5177D5#5177D5

#5177D5 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.8% C 0.150 H 265.5°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5177D5
RGB	rgb(81, 119, 213)
HSL	hsl(223, 61%, 58%)
HSV	hsv(223, 62%, 84%)
CMYK	cmyk(62%, 44.1%, 0%, 16.5%)
CIE-LAB	lab(51.55, 15.82, -52.45)
CIE-LCH	lch(51.55, 54.78, 286.79°)
OKLab	oklab(58.78% -0.0118 -0.1497)
OKLCH	oklch(58.78% 0.15 265.5)
XYZ	xyz(21.9963, 19.7451, 65.5899)
Luminance	0.1975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177D5 #D5AF51

analogous

#51B9D5 #5177D5 #6D51D5

triadic

#5177D5 #D55177 #77D551

tetradic

#5177D5 #D551B9 #D5AF51 #51D56D

square

#5177D5 #D551B9 #D5AF51 #51D56D

split-complementary

#5177D5 #D56D51 #B9D551

monochromatic

#21408A #2D56BC #5177D5 #829EE1 #B4C4ED

Accessibility & contrast

On white

4.24

#5177D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5177D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177D5

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177D5	#FFFFFF	#000000	##000000
##5177D5	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B81D9

Deuteranopia (green-blind)

#3675D3

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5177d5;
/* rgb */ color: rgb(81, 119, 213);
/* oklch */ color: oklch(58.8% 0.150 265.5);

Tailwind

colors: {
  custom: {
    50: '#8d9de2',
    500: '#5177d5',
    950: '#000000',
  },
}

SCSS

$custom: #5177d5;
$custom-light: #8d9de2;
$custom-dark: #000000;

JSON

{
  "hex": "#5177d5",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 222.727,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.58777,
    "c": 0.15013,
    "h": 265.5
  },
  "luminance": 0.19747
}

Semantic roles & 50–950 ramp

primary

#5177D5

secondary

#DBCCA6

accent

#B644E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5177D5

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

Preview Lab → · Contrast checker → · Palette generator →