#63C0EF#63C0EF

#63C0EF is a light, moderate cyan. Relative luminance 0.466; OKLCH L 76.9% C 0.111 H 232.7°. Best body text is #000000 at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#63C0EF
RGB	rgb(99, 192, 239)
HSL	hsl(200, 81%, 66%)
HSV	hsv(200, 59%, 94%)
CMYK	cmyk(58.6%, 19.7%, 0%, 6.3%)
CIE-LAB	lab(73.92, -14.24, -31.65)
CIE-LCH	lch(73.92, 34.71, 245.77°)
OKLab	oklab(76.91% -0.0672 -0.0884)
OKLCH	oklch(76.91% 0.111 232.7)
XYZ	xyz(39.5693, 46.5801, 88.5502)
Luminance	0.4658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0EF #EF9263

analogous

#63EFD8 #63C0EF #637AEF

triadic

#63C0EF #EF63C0 #C0EF63

tetradic

#63C0EF #D863EF #EF9263 #7AEF63

square

#63C0EF #D863EF #EF9263 #7AEF63

split-complementary

#63C0EF #EF637A #EFD863

monochromatic

#1489C4 #2BAAE9 #63C0EF #9BD6F5 #D2EDFA

Accessibility & contrast

On white

2.04

#63C0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.32

#63C0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0EF

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0EF	#FFFFFF	#000000	##000000
##63C0EF	1.00	2.04	10.32	10.32
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.32	21.00	1.00	1.00
##000000	10.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BEF1

Deuteranopia (green-blind)

#95AFEE

Tritanopia (blue-blind)

#00CDCF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63c0ef;
/* rgb */ color: rgb(99, 192, 239);
/* oklch */ color: oklch(76.9% 0.111 232.7);

Tailwind

colors: {
  custom: {
    50: '#9ad3f4',
    500: '#63c0ef',
    950: '#000000',
  },
}

SCSS

$custom: #63c0ef;
$custom-light: #9ad3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0ef",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 239
  },
  "hsl": {
    "h": 200.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.76911,
    "c": 0.11106,
    "h": 232.7
  },
  "luminance": 0.46584
}

Semantic roles & 50–950 ramp

primary

#63C0EF

secondary

#EECFC0

accent

#5008DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63C0EF

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

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