#518BD3#518BD3

#518BD3 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 63.0% C 0.125 H 254.8°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#518BD3
RGB	rgb(81, 139, 211)
HSL	hsl(213, 60%, 57%)
HSV	hsv(213, 62%, 83%)
CMYK	cmyk(61.6%, 34.1%, 0%, 17.3%)
CIE-LAB	lab(56.99, 3.06, -42.67)
CIE-LCH	lch(56.99, 42.78, 274.10°)
OKLab	oklab(62.96% -0.0329 -0.1208)
OKLCH	oklch(62.96% 0.125 254.8)
XYZ	xyz(24.3796, 24.9155, 65.1398)
Luminance	0.2492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BD3 #D39951

analogous

#51CCD3 #518BD3 #5851D3

triadic

#518BD3 #D3518B #8BD351

tetradic

#518BD3 #D351CC #D39951 #51D358

square

#518BD3 #D351CC #D39951 #51D358

split-complementary

#518BD3 #D35851 #CCD351

monochromatic

#224F87 #2F6CB8 #518BD3 #82ACDF #B3CCEC

Accessibility & contrast

On white

3.51

#518BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#518BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BD3

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BD3	#FFFFFF	#000000	##000000
##518BD3	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C90D6

Deuteranopia (green-blind)

#5B83D2

Tritanopia (blue-blind)

#009BA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518bd3;
/* rgb */ color: rgb(81, 139, 211);
/* oklch */ color: oklch(63.0% 0.125 254.8);

Tailwind

colors: {
  custom: {
    50: '#8dace1',
    500: '#518bd3',
    950: '#000000',
  },
}

SCSS

$custom: #518bd3;
$custom-light: #8dace1;
$custom-dark: #000000;

JSON

{
  "hex": "#518bd3",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 213.231,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.62962,
    "c": 0.12521,
    "h": 254.8
  },
  "luminance": 0.24918
}

Semantic roles & 50–950 ramp

primary

#518BD3

secondary

#DAC3A6

accent

#9C45E3

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518BD3

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

Preview Lab → · Contrast checker → · Palette generator →