#63AEF0#63AEF0

#63AEF0 is a light, vivid cyan. Relative luminance 0.392; OKLCH L 73.0% C 0.122 H 246.9°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#63AEF0
RGB	rgb(99, 174, 240)
HSL	hsl(208, 82%, 66%)
HSV	hsv(208, 59%, 94%)
CMYK	cmyk(58.8%, 27.5%, 0%, 5.9%)
CIE-LAB	lab(68.91, -4.19, -39.97)
CIE-LCH	lch(68.91, 40.19, 264.01°)
OKLab	oklab(72.95% -0.0478 -0.1124)
OKLCH	oklch(72.95% 0.122 246.9)
XYZ	xyz(36.0041, 39.2127, 88.0926)
Luminance	0.3922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEF0 #F0A563

analogous

#63F0EB #63AEF0 #6368F0

triadic

#63AEF0 #F063AE #AEF063

tetradic

#63AEF0 #EB63F0 #F0A563 #68F063

square

#63AEF0 #EB63F0 #F0A563 #68F063

split-complementary

#63AEF0 #F06368 #F0EB63

monochromatic

#1372C6 #2B91EB #63AEF0 #9BCBF5 #D3E8FB

Accessibility & contrast

On white

2.37

#63AEF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#63AEF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEF0

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEF0	#FFFFFF	#000000	##000000
##63AEF0	1.00	2.37	8.84	8.84
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92B0F3

Deuteranopia (green-blind)

#7FA2EF

Tritanopia (blue-blind)

#00BEC5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63aef0;
/* rgb */ color: rgb(99, 174, 240);
/* oklch */ color: oklch(73.0% 0.122 246.9);

Tailwind

colors: {
  custom: {
    50: '#9ac6f5',
    500: '#63aef0',
    950: '#000000',
  },
}

SCSS

$custom: #63aef0;
$custom-light: #9ac6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63aef0",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 240
  },
  "hsl": {
    "h": 208.085,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.72954,
    "c": 0.12219,
    "h": 246.9
  },
  "luminance": 0.39216
}

Semantic roles & 50–950 ramp

primary

#63AEF0

secondary

#EED6C1

accent

#6C07DF

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AEF0

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

Preview Lab → · Contrast checker → · Palette generator →