#63ECF3#63ECF3

#63ECF3 is a very light, moderate teal. Relative luminance 0.691; OKLCH L 87.1% C 0.118 H 199.9°. Best body text is #000000 at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#63ECF3
RGB	rgb(99, 236, 243)
HSL	hsl(183, 86%, 67%)
HSV	hsv(183, 59%, 95%)
CMYK	cmyk(59.3%, 2.9%, 0%, 4.7%)
CIE-LAB	lab(86.56, -34.93, -14.56)
CIE-LCH	lch(86.56, 37.85, 202.63°)
OKLab	oklab(87.09% -0.1114 -0.0403)
OKLCH	oklch(87.09% 0.118 199.9)
XYZ	xyz(51.3118, 69.1093, 95.4119)
Luminance	0.6912 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ECF3 #F36A63

analogous

#63F3B2 #63ECF3 #63A4F3

triadic

#63ECF3 #F363EC #ECF363

tetradic

#63ECF3 #B263F3 #F36A63 #A4F363

square

#63ECF3 #B263F3 #F36A63 #A4F363

split-complementary

#63ECF3 #F363A4 #F3B263

monochromatic

#10C3CC #2AE5EF #63ECF3 #9CF3F7 #D5FAFC

Accessibility & contrast

On white

1.42

#63ECF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.82

#63ECF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ECF3

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ECF3	#FFFFFF	#000000	##000000
##63ECF3	1.00	1.42	14.82	14.82
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.82	21.00	1.00	1.00
##000000	14.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE2F4

Deuteranopia (green-blind)

#C6D2F4

Tritanopia (blue-blind)

#00F4EE

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #63ecf3;
/* rgb */ color: rgb(99, 236, 243);
/* oklch */ color: oklch(87.1% 0.118 199.9);

Tailwind

colors: {
  custom: {
    50: '#9ef2f7',
    500: '#63ecf3',
    950: '#000000',
  },
}

SCSS

$custom: #63ecf3;
$custom-light: #9ef2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63ecf3",
  "rgb": {
    "r": 99,
    "g": 236,
    "b": 243
  },
  "hsl": {
    "h": 182.917,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.87089,
    "c": 0.11846,
    "h": 199.9
  },
  "luminance": 0.69115
}

Semantic roles & 50–950 ramp

primary

#63ECF3

secondary

#C83932

accent

#0E03E2

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #63ECF3

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

Preview Lab → · Contrast checker → · Palette generator →