#63C8E8#63C8E8

#63C8E8 is a light, moderate cyan. Relative luminance 0.498; OKLCH L 78.4% C 0.104 H 221.3°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#63C8E8
RGB	rgb(99, 200, 232)
HSL	hsl(194, 74%, 65%)
HSV	hsv(194, 57%, 91%)
CMYK	cmyk(57.3%, 13.8%, 0%, 9%)
CIE-LAB	lab(75.94, -20.46, -24.78)
CIE-LCH	lch(75.94, 32.14, 230.45°)
OKLab	oklab(78.43% -0.0782 -0.0688)
OKLCH	oklch(78.43% 0.104 221.3)
XYZ	xyz(40.3596, 49.7835, 83.8105)
Luminance	0.4979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8E8 #E88363

analogous

#63E8C6 #63C8E8 #6386E8

triadic

#63C8E8 #E863C8 #C8E863

tetradic

#63C8E8 #C663E8 #E88363 #86E863

square

#63C8E8 #C663E8 #E88363 #86E863

split-complementary

#63C8E8 #E86386 #E8C663

monochromatic

#1B91B6 #2EB5E0 #63C8E8 #98DBF0 #CEEEF8

Accessibility & contrast

On white

1.92

#63C8E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#63C8E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8E8

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8E8	#FFFFFF	#000000	##000000
##63C8E8	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C3EA

Deuteranopia (green-blind)

#A2B5E8

Tritanopia (blue-blind)

#00D2D2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c8e8;
/* rgb */ color: rgb(99, 200, 232);
/* oklch */ color: oklch(78.4% 0.104 221.3);

Tailwind

colors: {
  custom: {
    50: '#9ad8ef',
    500: '#63c8e8',
    950: '#000000',
  },
}

SCSS

$custom: #63c8e8;
$custom-light: #9ad8ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8e8",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 232
  },
  "hsl": {
    "h": 194.436,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.78434,
    "c": 0.10422,
    "h": 221.3
  },
  "luminance": 0.49787
}

Semantic roles & 50–950 ramp

primary

#63C8E8

secondary

#EAC8BD

accent

#3F0FD6

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C8E8

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

Preview Lab → · Contrast checker → · Palette generator →