#63C8DE#63C8DE

#63C8DE is a light, moderate cyan. Relative luminance 0.492; OKLCH L 78.0% C 0.099 H 213.9°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#63C8DE
RGB	rgb(99, 200, 222)
HSL	hsl(191, 65%, 63%)
HSV	hsv(191, 55%, 87%)
CMYK	cmyk(55.4%, 9.9%, 0%, 12.9%)
CIE-LAB	lab(75.60, -23.33, -19.91)
CIE-LCH	lch(75.60, 30.67, 220.48°)
OKLab	oklab(78.05% -0.0821 -0.0551)
OKLCH	oklch(78.05% 0.099 213.9)
XYZ	xyz(38.9794, 49.2315, 76.5415)
Luminance	0.4924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8DE #DE7963

analogous

#63DEB7 #63C8DE #638ADE

triadic

#63C8DE #DE63C8 #C8DE63

tetradic

#63C8DE #B763DE #DE7963 #8ADE63

square

#63C8DE #B763DE #DE7963 #8ADE63

split-complementary

#63C8DE #DE638A #DEB763

monochromatic

#238DA4 #30B6D3 #63C8DE #96DAE9 #C8ECF3

Accessibility & contrast

On white

1.94

#63C8DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#63C8DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8DE

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8DE	#FFFFFF	#000000	##000000
##63C8DE	1.00	1.94	10.85	10.85
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C2DF

Deuteranopia (green-blind)

#A5B4DE

Tritanopia (blue-blind)

#00D1CF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c8de;
/* rgb */ color: rgb(99, 200, 222);
/* oklch */ color: oklch(78.0% 0.099 213.9);

Tailwind

colors: {
  custom: {
    50: '#99d9e8',
    500: '#63c8de',
    950: '#000000',
  },
}

SCSS

$custom: #63c8de;
$custom-light: #99d9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8de",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 222
  },
  "hsl": {
    "h": 190.732,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.78048,
    "c": 0.09886,
    "h": 213.9
  },
  "luminance": 0.49235
}

Semantic roles & 50–950 ramp

primary

#63C8DE

secondary

#E5C0B8

accent

#3919CD

background

#FAFDFE

surface

#F3FAFC

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C8DE

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

Preview Lab → · Contrast checker → · Palette generator →