#517ABC#517ABC

#517ABC is a mid, moderate blue. Relative luminance 0.193; OKLCH L 57.9% C 0.112 H 259.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#517ABC
RGB	rgb(81, 122, 188)
HSL	hsl(217, 44%, 53%)
HSV	hsv(217, 57%, 74%)
CMYK	cmyk(56.9%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(51.03, 5.59, -39.00)
CIE-LCH	lch(51.03, 39.40, 278.15°)
OKLab	oklab(57.94% -0.0203 -0.1102)
OKLCH	oklch(57.94% 0.112 259.5)
XYZ	xyz(19.4268, 19.2977, 50.2683)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517ABC #BC9351

analogous

#51B0BC #517ABC #5D51BC

triadic

#517ABC #BC517A #7ABC51

tetradic

#517ABC #BC51B0 #BC9351 #51BC5D

square

#517ABC #BC51B0 #BC9351 #51BC5D

split-complementary

#517ABC #BC5D51 #B0BC51

monochromatic

#29426A #3A5D96 #517ABC #7D9CCD #A9BEDE

Accessibility & contrast

On white

4.32

#517ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#517ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517ABC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517ABC	#FFFFFF	#000000	##000000
##517ABC	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FBF

Deuteranopia (green-blind)

#5175BB

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #517abc;
/* rgb */ color: rgb(81, 122, 188);
/* oklch */ color: oklch(57.9% 0.112 259.5);

Tailwind

colors: {
  custom: {
    50: '#8aa0d0',
    500: '#517abc',
    950: '#000000',
  },
}

SCSS

$custom: #517abc;
$custom-light: #8aa0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#517abc",
  "rgb": {
    "r": 81,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 217.009,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57941,
    "c": 0.11211,
    "h": 259.5
  },
  "luminance": 0.19299
}

Semantic roles & 50–950 ramp

primary

#517ABC

secondary

#CCBA9D

accent

#A354D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #517ABC

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

Preview Lab → · Contrast checker → · Palette generator →