#518BC5#518BC5

#518BC5 is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.2% C 0.107 H 249.9°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#518BC5
RGB	rgb(81, 139, 197)
HSL	hsl(210, 50%, 55%)
HSV	hsv(210, 59%, 77%)
CMYK	cmyk(58.9%, 29.4%, 0%, 22.7%)
CIE-LAB	lab(56.33, -1.55, -35.81)
CIE-LCH	lch(56.33, 35.85, 267.52°)
OKLab	oklab(62.23% -0.0369 -0.1008)
OKLCH	oklch(62.23% 0.107 249.9)
XYZ	xyz(22.7004, 24.2438, 56.2957)
Luminance	0.2425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BC5 #C58B51

analogous

#51C5C5 #518BC5 #5151C5

triadic

#518BC5 #C5518B #8BC551

tetradic

#518BC5 #C551C5 #C58B51 #51C551

square

#518BC5 #C551C5 #C58B51 #51C551

split-complementary

#518BC5 #C55151 #C5C551

monochromatic

#274E75 #366CA3 #518BC5 #7FAAD4 #ADC8E4

Accessibility & contrast

On white

3.59

#518BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#518BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BC5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BC5	#FFFFFF	#000000	##000000
##518BC5	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738DC8

Deuteranopia (green-blind)

#6382C4

Tritanopia (blue-blind)

#00999F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #518bc5;
/* rgb */ color: rgb(81, 139, 197);
/* oklch */ color: oklch(62.2% 0.107 249.9);

Tailwind

colors: {
  custom: {
    50: '#8bacd7',
    500: '#518bc5',
    950: '#000000',
  },
}

SCSS

$custom: #518bc5;
$custom-light: #8bacd7;
$custom-dark: #000000;

JSON

{
  "hex": "#518bc5",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 197
  },
  "hsl": {
    "h": 210,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62226,
    "c": 0.10737,
    "h": 249.9
  },
  "luminance": 0.24246
}

Semantic roles & 50–950 ramp

primary

#518BC5

secondary

#D1B9A0

accent

#944EDA

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0D1014

muted

#7D7F83

Preview Lab

Preview with #518BC5

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

Preview Lab → · Contrast checker → · Palette generator →