#518FBC#518FBC

#518FBC is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.094 H 241.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#518FBC
RGB	rgb(81, 143, 188)
HSL	hsl(205, 44%, 53%)
HSV	hsv(205, 57%, 74%)
CMYK	cmyk(56.9%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(57.10, -6.74, -29.52)
CIE-LCH	lch(57.10, 30.28, 257.14°)
OKLab	oklab(62.7% -0.0442 -0.0826)
OKLCH	oklch(62.7% 0.094 241.9)
XYZ	xyz(22.2896, 25.0231, 51.2225)
Luminance	0.2502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FBC #BC7E51

analogous

#51BCB4 #518FBC #5159BC

triadic

#518FBC #BC518F #8FBC51

tetradic

#518FBC #B451BC #BC7E51 #59BC51

square

#518FBC #B451BC #BC7E51 #59BC51

split-complementary

#518FBC #BC5159 #BCB451

monochromatic

#294E6A #3A6F96 #518FBC #7DABCD #A9C8DE

Accessibility & contrast

On white

3.50

#518FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#518FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FBC

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FBC	#FFFFFF	#000000	##000000
##518FBC	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBE

Deuteranopia (green-blind)

#6D84BB

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518fbc;
/* rgb */ color: rgb(81, 143, 188);
/* oklch */ color: oklch(62.7% 0.094 241.9);

Tailwind

colors: {
  custom: {
    50: '#8aafd0',
    500: '#518fbc',
    950: '#000000',
  },
}

SCSS

$custom: #518fbc;
$custom-light: #8aafd0;
$custom-dark: #000000;

JSON

{
  "hex": "#518fbc",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 205.234,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62701,
    "c": 0.09372,
    "h": 241.9
  },
  "luminance": 0.25025
}

Semantic roles & 50–950 ramp

primary

#518FBC

secondary

#CCB19D

accent

#8A54D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #518FBC

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

Preview Lab → · Contrast checker → · Palette generator →