#518FE5#518FE5

#518FE5 is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.8% C 0.144 H 257.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#518FE5
RGB	rgb(81, 143, 229)
HSL	hsl(215, 74%, 61%)
HSV	hsv(215, 65%, 90%)
CMYK	cmyk(64.6%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(59.02, 6.75, -49.53)
CIE-LCH	lch(59.02, 49.99, 277.76°)
OKLab	oklab(64.84% -0.0326 -0.1408)
OKLCH	oklch(64.84% 0.145 257)
XYZ	xyz(27.3536, 27.0487, 77.8929)
Luminance	0.2705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FE5 #E5A751

analogous

#51D9E5 #518FE5 #5D51E5

triadic

#518FE5 #E5518F #8FE551

tetradic

#518FE5 #E551D9 #E5A751 #51E55D

square

#518FE5 #E551D9 #E5A751 #51E55D

split-complementary

#518FE5 #E55D51 #D9E551

monochromatic

#1853A3 #206DD8 #518FE5 #86B1ED #BBD4F5

Accessibility & contrast

On white

3.28

#518FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#518FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FE5

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FE5	#FFFFFF	#000000	##000000
##518FE5	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6996E8

Deuteranopia (green-blind)

#5488E3

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518fe5;
/* rgb */ color: rgb(81, 143, 229);
/* oklch */ color: oklch(64.8% 0.144 257.0);

Tailwind

colors: {
  custom: {
    50: '#90afed',
    500: '#518fe5',
    950: '#000000',
  },
}

SCSS

$custom: #518fe5;
$custom-light: #90afed;
$custom-dark: #000000;

JSON

{
  "hex": "#518fe5",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 214.865,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64838,
    "c": 0.1445,
    "h": 257
  },
  "luminance": 0.27051
}

Semantic roles & 50–950 ramp

primary

#518FE5

secondary

#E5CDAD

accent

#830FD6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518FE5

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

Preview Lab → · Contrast checker → · Palette generator →