#517CBD#517CBD

#517CBD is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.4% C 0.111 H 258.4°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#517CBD
RGB	rgb(81, 124, 189)
HSL	hsl(216, 45%, 53%)
HSV	hsv(216, 57%, 74%)
CMYK	cmyk(57.1%, 34.4%, 0%, 25.9%)
CIE-LAB	lab(51.65, 4.71, -38.60)
CIE-LCH	lch(51.65, 38.89, 276.96°)
OKLab	oklab(58.44% -0.0223 -0.1091)
OKLCH	oklch(58.44% 0.111 258.4)
XYZ	xyz(19.7831, 19.8371, 50.9207)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CBD #BD9251

analogous

#51B2BD #517CBD #5C51BD

triadic

#517CBD #BD517C #7CBD51

tetradic

#517CBD #BD51B2 #BD9251 #51BD5C

square

#517CBD #BD51B2 #BD9251 #51BD5C

split-complementary

#517CBD #BD5C51 #B2BD51

monochromatic

#29436B #395F97 #517CBD #7D9DCE #AABFDF

Accessibility & contrast

On white

4.23

#517CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#517CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CBD

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CBD	#FFFFFF	#000000	##000000
##517CBD	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C0

Deuteranopia (green-blind)

#5476BC

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517cbd;
/* rgb */ color: rgb(81, 124, 189);
/* oklch */ color: oklch(58.4% 0.111 258.4);

Tailwind

colors: {
  custom: {
    50: '#8aa1d1',
    500: '#517cbd',
    950: '#000000',
  },
}

SCSS

$custom: #517cbd;
$custom-light: #8aa1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#517cbd",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 216.111,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.5844,
    "c": 0.11133,
    "h": 258.4
  },
  "luminance": 0.19839
}

Semantic roles & 50–950 ramp

primary

#517CBD

secondary

#CCBA9E

accent

#A153D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #517CBD

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

Preview Lab → · Contrast checker → · Palette generator →