#517CBE#517CBE

#517CBE is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.5% C 0.113 H 258.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#517CBE
RGB	rgb(81, 124, 190)
HSL	hsl(216, 46%, 53%)
HSV	hsv(216, 57%, 75%)
CMYK	cmyk(57.4%, 34.7%, 0%, 25.5%)
CIE-LAB	lab(51.70, 5.04, -39.09)
CIE-LCH	lch(51.70, 39.42, 277.35°)
OKLab	oklab(58.49% -0.0221 -0.1105)
OKLCH	oklch(58.49% 0.113 258.7)
XYZ	xyz(19.8920, 19.8807, 51.4943)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CBE #BE9351

analogous

#51B3BE #517CBE #5C51BE

triadic

#517CBE #BE517C #7CBE51

tetradic

#517CBE #BE51B3 #BE9351 #51BE5C

square

#517CBE #BE51B3 #BE9351 #51BE5C

split-complementary

#517CBE #BE5C51 #B3BE51

monochromatic

#28436C #395F99 #517CBE #7E9ECF #AABFDF

Accessibility & contrast

On white

4.22

#517CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#517CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CBE

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CBE	#FFFFFF	#000000	##000000
##517CBE	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#5377BD

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517cbe;
/* rgb */ color: rgb(81, 124, 190);
/* oklch */ color: oklch(58.5% 0.113 258.7);

Tailwind

colors: {
  custom: {
    50: '#8aa1d2',
    500: '#517cbe',
    950: '#000000',
  },
}

SCSS

$custom: #517cbe;
$custom-light: #8aa1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#517cbe",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 190
  },
  "hsl": {
    "h": 216.33,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58494,
    "c": 0.11269,
    "h": 258.7
  },
  "luminance": 0.19882
}

Semantic roles & 50–950 ramp

primary

#517CBE

secondary

#CDBA9E

accent

#A253D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #517CBE

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

Preview Lab → · Contrast checker → · Palette generator →