#63D9EC#63D9EC

#63D9EC is a very light, moderate teal. Relative luminance 0.583; OKLCH L 82.5% C 0.109 H 209.5°. Best body text is #000000 at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#63D9EC
RGB	rgb(99, 217, 236)
HSL	hsl(188, 78%, 66%)
HSV	hsv(188, 58%, 93%)
CMYK	cmyk(58.1%, 8.1%, 0%, 7.5%)
CIE-LAB	lab(80.92, -27.80, -19.35)
CIE-LCH	lch(80.92, 33.87, 214.83°)
OKLab	oklab(82.48% -0.0946 -0.0536)
OKLCH	oklch(82.48% 0.109 209.5)
XYZ	xyz(45.0926, 58.3300, 88.2230)
Luminance	0.5833 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D9EC #EC7663

analogous

#63ECBA #63D9EC #6394EC

triadic

#63D9EC #EC63D9 #D9EC63

tetradic

#63D9EC #BA63EC #EC7663 #94EC63

square

#63D9EC #BA63EC #EC7663 #94EC63

split-complementary

#63D9EC #EC6394 #ECBA63

monochromatic

#17A6BE #2CCCE5 #63D9EC #9AE6F3 #D0F4F9

Accessibility & contrast

On white

1.66

#63D9EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.67

#63D9EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D9EC

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D9EC	#FFFFFF	#000000	##000000
##63D9EC	1.00	1.66	12.67	12.67
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.67	21.00	1.00	1.00
##000000	12.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D2ED

Deuteranopia (green-blind)

#B3C2EC

Tritanopia (blue-blind)

#00E2DF

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d9ec;
/* rgb */ color: rgb(99, 217, 236);
/* oklch */ color: oklch(82.5% 0.109 209.5);

Tailwind

colors: {
  custom: {
    50: '#9ce5f2',
    500: '#63d9ec',
    950: '#000000',
  },
}

SCSS

$custom: #63d9ec;
$custom-light: #9ce5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63d9ec",
  "rgb": {
    "r": 99,
    "g": 217,
    "b": 236
  },
  "hsl": {
    "h": 188.321,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.82476,
    "c": 0.10875,
    "h": 209.5
  },
  "luminance": 0.58334
}

Semantic roles & 50–950 ramp

primary

#63D9EC

secondary

#BC4937

accent

#280BDB

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D9EC

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

Preview Lab → · Contrast checker → · Palette generator →