#63C6F0#63C6F0

#63C6F0 is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.3% C 0.110 H 228.3°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#63C6F0
RGB	rgb(99, 198, 240)
HSL	hsl(198, 82%, 66%)
HSV	hsv(198, 59%, 94%)
CMYK	cmyk(58.8%, 17.5%, 0%, 5.9%)
CIE-LAB	lab(75.66, -17.08, -29.52)
CIE-LCH	lch(75.66, 34.10, 239.94°)
OKLab	oklab(78.31% -0.0732 -0.0823)
OKLCH	oklch(78.31% 0.11 228.3)
XYZ	xyz(41.0618, 49.3281, 89.7785)
Luminance	0.4933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6F0 #F08D63

analogous

#63F0D3 #63C6F0 #6380F0

triadic

#63C6F0 #F063C6 #C6F063

tetradic

#63C6F0 #D363F0 #F08D63 #80F063

square

#63C6F0 #D363F0 #F08D63 #80F063

split-complementary

#63C6F0 #F06380 #F0D363

monochromatic

#1390C6 #2BB2EB #63C6F0 #9BDAF5 #D3EFFB

Accessibility & contrast

On white

1.93

#63C6F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#63C6F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6F0

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6F0	#FFFFFF	#000000	##000000
##63C6F0	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C3F2

Deuteranopia (green-blind)

#9CB4EF

Tritanopia (blue-blind)

#00D2D4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c6f0;
/* rgb */ color: rgb(99, 198, 240);
/* oklch */ color: oklch(78.3% 0.110 228.3);

Tailwind

colors: {
  custom: {
    50: '#9bd7f5',
    500: '#63c6f0',
    950: '#000000',
  },
}

SCSS

$custom: #63c6f0;
$custom-light: #9bd7f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6f0",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 240
  },
  "hsl": {
    "h": 197.872,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.78305,
    "c": 0.11015,
    "h": 228.3
  },
  "luminance": 0.49332
}

Semantic roles & 50–950 ramp

primary

#63C6F0

secondary

#EECEC1

accent

#4707DF

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C6F0

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

Preview Lab → · Contrast checker → · Palette generator →