#63C0F0#63C0F0

#63C0F0 is a light, moderate cyan. Relative luminance 0.466; OKLCH L 77.0% C 0.112 H 233.3°. Best body text is #000000 at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#63C0F0
RGB	rgb(99, 192, 240)
HSL	hsl(200, 82%, 66%)
HSV	hsv(200, 59%, 94%)
CMYK	cmyk(58.8%, 20%, 0%, 5.9%)
CIE-LAB	lab(73.96, -13.94, -32.13)
CIE-LCH	lch(73.96, 35.02, 246.54°)
OKLab	oklab(76.95% -0.0669 -0.0898)
OKLCH	oklch(76.95% 0.112 233.3)
XYZ	xyz(39.7174, 46.6394, 89.3304)
Luminance	0.4664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0F0 #F09363

analogous

#63F0DA #63C0F0 #637AF0

triadic

#63C0F0 #F063C0 #C0F063

tetradic

#63C0F0 #DA63F0 #F09363 #7AF063

square

#63C0F0 #DA63F0 #F09363 #7AF063

split-complementary

#63C0F0 #F0637A #F0DA63

monochromatic

#1389C6 #2BA9EB #63C0F0 #9BD7F5 #D3EDFB

Accessibility & contrast

On white

2.03

#63C0F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.33

#63C0F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0F0

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0F0	#FFFFFF	#000000	##000000
##63C0F0	1.00	2.03	10.33	10.33
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.33	21.00	1.00	1.00
##000000	10.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BEF2

Deuteranopia (green-blind)

#95AFEF

Tritanopia (blue-blind)

#00CDD0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63c0f0;
/* rgb */ color: rgb(99, 192, 240);
/* oklch */ color: oklch(77.0% 0.112 233.3);

Tailwind

colors: {
  custom: {
    50: '#9ad3f5',
    500: '#63c0f0',
    950: '#000000',
  },
}

SCSS

$custom: #63c0f0;
$custom-light: #9ad3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0f0",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 240
  },
  "hsl": {
    "h": 200.426,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76954,
    "c": 0.11195,
    "h": 233.3
  },
  "luminance": 0.46643
}

Semantic roles & 50–950 ramp

primary

#63C0F0

secondary

#EED0C1

accent

#5007DF

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63C0F0

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

Preview Lab → · Contrast checker → · Palette generator →