#63C8EC#63C8EC

#63C8EC is a light, moderate cyan. Relative luminance 0.500; OKLCH L 78.6% C 0.107 H 224.1°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#63C8EC
RGB	rgb(99, 200, 236)
HSL	hsl(196, 78%, 66%)
HSV	hsv(196, 58%, 93%)
CMYK	cmyk(58.1%, 15.3%, 0%, 7.5%)
CIE-LAB	lab(76.08, -19.30, -26.72)
CIE-LCH	lch(76.08, 32.96, 234.16°)
OKLab	oklab(78.59% -0.0768 -0.0743)
OKLCH	oklch(78.59% 0.107 224.1)
XYZ	xyz(40.9343, 50.0134, 86.8369)
Luminance	0.5002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8EC #EC8763

analogous

#63ECCB #63C8EC #6383EC

triadic

#63C8EC #EC63C8 #C8EC63

tetradic

#63C8EC #CB63EC #EC8763 #83EC63

square

#63C8EC #CB63EC #EC8763 #83EC63

split-complementary

#63C8EC #EC6383 #ECCB63

monochromatic

#1792BE #2CB5E5 #63C8EC #9ADBF3 #D0EEF9

Accessibility & contrast

On white

1.91

#63C8EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#63C8EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8EC

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8EC	#FFFFFF	#000000	##000000
##63C8EC	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C4EE

Deuteranopia (green-blind)

#A0B5EC

Tritanopia (blue-blind)

#00D3D3

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c8ec;
/* rgb */ color: rgb(99, 200, 236);
/* oklch */ color: oklch(78.6% 0.107 224.1);

Tailwind

colors: {
  custom: {
    50: '#9ad8f2',
    500: '#63c8ec',
    950: '#000000',
  },
}

SCSS

$custom: #63c8ec;
$custom-light: #9ad8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8ec",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 236
  },
  "hsl": {
    "h": 195.766,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.78594,
    "c": 0.10686,
    "h": 224.1
  },
  "luminance": 0.50017
}

Semantic roles & 50–950 ramp

primary

#63C8EC

secondary

#BC5A37

accent

#420BDB

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8EC

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

Preview Lab → · Contrast checker → · Palette generator →