#63C7ED#63C7ED

#63C7ED is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.4% C 0.108 H 225.6°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#63C7ED
RGB	rgb(99, 199, 237)
HSL	hsl(197, 79%, 66%)
HSV	hsv(197, 58%, 93%)
CMYK	cmyk(58.2%, 16%, 0%, 7.1%)
CIE-LAB	lab(75.83, -18.49, -27.64)
CIE-LCH	lch(75.83, 33.25, 236.22°)
OKLab	oklab(78.41% -0.0753 -0.0769)
OKLCH	oklch(78.41% 0.108 225.6)
XYZ	xyz(40.8491, 49.6100, 87.5273)
Luminance	0.4961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7ED #ED8963

analogous

#63EDCE #63C7ED #6382ED

triadic

#63C7ED #ED63C7 #C7ED63

tetradic

#63C7ED #CE63ED #ED8963 #82ED63

square

#63C7ED #CE63ED #ED8963 #82ED63

split-complementary

#63C7ED #ED6382 #EDCE63

monochromatic

#1691C0 #2CB3E7 #63C7ED #9ADBF3 #D1EEFA

Accessibility & contrast

On white

1.92

#63C7ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#63C7ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7ED

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7ED	#FFFFFF	#000000	##000000
##63C7ED	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C3EF

Deuteranopia (green-blind)

#9FB4ED

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c7ed;
/* rgb */ color: rgb(99, 199, 237);
/* oklch */ color: oklch(78.4% 0.108 225.6);

Tailwind

colors: {
  custom: {
    50: '#9bd8f3',
    500: '#63c7ed',
    950: '#000000',
  },
}

SCSS

$custom: #63c7ed;
$custom-light: #9bd8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7ed",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 237
  },
  "hsl": {
    "h": 196.522,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.78408,
    "c": 0.10768,
    "h": 225.6
  },
  "luminance": 0.49614
}

Semantic roles & 50–950 ramp

primary

#63C7ED

secondary

#EDCCBF

accent

#440ADC

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C7ED

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

Preview Lab → · Contrast checker → · Palette generator →