#517CB3#517CB3

#517CB3 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.098 H 255.1°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#517CB3
RGB	rgb(81, 124, 179)
HSL	hsl(214, 39%, 51%)
HSV	hsv(214, 55%, 70%)
CMYK	cmyk(54.7%, 30.7%, 0%, 29.8%)
CIE-LAB	lab(51.17, 1.45, -33.60)
CIE-LCH	lch(51.17, 33.63, 272.47°)
OKLab	oklab(57.91% -0.0251 -0.0945)
OKLCH	oklch(57.91% 0.098 255.1)
XYZ	xyz(18.7348, 19.4178, 45.3998)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CB3 #B38851

analogous

#51ADB3 #517CB3 #5751B3

triadic

#517CB3 #B3517C #7CB351

tetradic

#517CB3 #B351AD #B38851 #51B357

square

#517CB3 #B351AD #B38851 #51B357

split-complementary

#517CB3 #B35751 #ADB351

monochromatic

#2A4160 #3C5F8A #517CB3 #7C9CC6 #A6BCD8

Accessibility & contrast

On white

4.30

#517CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#517CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CB3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CB3	#FFFFFF	#000000	##000000
##517CB3	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB5

Deuteranopia (green-blind)

#5976B2

Tritanopia (blue-blind)

#15888F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #517cb3;
/* rgb */ color: rgb(81, 124, 179);
/* oklch */ color: oklch(57.9% 0.098 255.1);

Tailwind

colors: {
  custom: {
    50: '#89a1ca',
    500: '#517cb3',
    950: '#000000',
  },
}

SCSS

$custom: #517cb3;
$custom-light: #89a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#517cb3",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 179
  },
  "hsl": {
    "h": 213.673,
    "s": 39.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57907,
    "c": 0.09781,
    "h": 255.1
  },
  "luminance": 0.19419
}

Semantic roles & 50–950 ramp

primary

#517CB3

secondary

#C6B39A

accent

#9B59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #517CB3

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

Preview Lab → · Contrast checker → · Palette generator →