#5177BD#5177BD

#5177BD is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.3% C 0.117 H 261.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5177BD
RGB	rgb(81, 119, 189)
HSL	hsl(219, 45%, 53%)
HSV	hsv(219, 57%, 74%)
CMYK	cmyk(57.1%, 37%, 0%, 25.9%)
CIE-LAB	lab(50.23, 7.74, -40.84)
CIE-LCH	lch(50.23, 41.56, 280.73°)
OKLab	oklab(57.34% -0.0167 -0.1156)
OKLCH	oklch(57.34% 0.117 261.8)
XYZ	xyz(19.1723, 18.6156, 50.7171)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177BD #BD9751

analogous

#51ADBD #5177BD #6151BD

triadic

#5177BD #BD5177 #77BD51

tetradic

#5177BD #BD51AD #BD9751 #51BD61

square

#5177BD #BD51AD #BD9751 #51BD61

split-complementary

#5177BD #BD6151 #ADBD51

monochromatic

#29406B #395A97 #5177BD #7D9ACE #AABCDF

Accessibility & contrast

On white

4.45

#5177BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5177BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177BD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177BD	#FFFFFF	#000000	##000000
##5177BD	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC0

Deuteranopia (green-blind)

#4C73BC

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5177bd;
/* rgb */ color: rgb(81, 119, 189);
/* oklch */ color: oklch(57.3% 0.117 261.8);

Tailwind

colors: {
  custom: {
    50: '#8a9dd1',
    500: '#5177bd',
    950: '#000000',
  },
}

SCSS

$custom: #5177bd;
$custom-light: #8a9dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#5177bd",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 189
  },
  "hsl": {
    "h": 218.889,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57337,
    "c": 0.11683,
    "h": 261.8
  },
  "luminance": 0.18617
}

Semantic roles & 50–950 ramp

primary

#5177BD

secondary

#CCBC9E

accent

#A753D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5177BD

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

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