#517EBF#517EBF

#517EBF is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.112 H 257.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#517EBF
RGB	rgb(81, 126, 191)
HSL	hsl(215, 46%, 53%)
HSV	hsv(215, 58%, 75%)
CMYK	cmyk(57.6%, 34%, 0%, 25.1%)
CIE-LAB	lab(52.32, 4.17, -38.69)
CIE-LCH	lch(52.32, 38.92, 276.15°)
OKLab	oklab(58.99% -0.0241 -0.1093)
OKLCH	oklch(58.99% 0.112 257.6)
XYZ	xyz(20.2549, 20.4309, 52.1563)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EBF #BF9251

analogous

#51B5BF #517EBF #5B51BF

triadic

#517EBF #BF517E #7EBF51

tetradic

#517EBF #BF51B5 #BF9251 #51BF5B

square

#517EBF #BF51B5 #BF9251 #51BF5B

split-complementary

#517EBF #BF5B51 #B5BF51

monochromatic

#28456D #39619A #517EBF #7E9FCF #AAC0E0

Accessibility & contrast

On white

4.13

#517EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#517EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EBF

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EBF	#FFFFFF	#000000	##000000
##517EBF	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6383C2

Deuteranopia (green-blind)

#5578BE

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #517ebf;
/* rgb */ color: rgb(81, 126, 191);
/* oklch */ color: oklch(59.0% 0.112 257.6);

Tailwind

colors: {
  custom: {
    50: '#8aa3d2',
    500: '#517ebf',
    950: '#000000',
  },
}

SCSS

$custom: #517ebf;
$custom-light: #8aa3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#517ebf",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 215.455,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58993,
    "c": 0.11194,
    "h": 257.6
  },
  "luminance": 0.20433
}

Semantic roles & 50–950 ramp

primary

#517EBF

secondary

#CEBA9E

accent

#A052D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #517EBF

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

Preview Lab → · Contrast checker → · Palette generator →