#63ADDB#63ADDB

#63ADDB is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.8% C 0.100 H 237.7°. Best body text is #000000 at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#63ADDB
RGB	rgb(99, 173, 219)
HSL	hsl(203, 63%, 62%)
HSV	hsv(203, 55%, 86%)
CMYK	cmyk(54.8%, 21%, 0%, 14.1%)
CIE-LAB	lab(67.76, -10.09, -30.26)
CIE-LCH	lch(67.76, 31.89, 251.57°)
OKLab	oklab(71.77% -0.0535 -0.0845)
OKLCH	oklch(71.77% 0.1 237.7)
XYZ	xyz(32.8706, 37.6514, 72.5393)
Luminance	0.3765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADDB #DB9163

analogous

#63DBCD #63ADDB #6371DB

triadic

#63ADDB #DB63AD #ADDB63

tetradic

#63ADDB #CD63DB #DB9163 #71DB63

square

#63ADDB #CD63DB #DB9163 #71DB63

split-complementary

#63ADDB #DB6371 #DBCD63

monochromatic

#25709F #3193D0 #63ADDB #95C7E6 #C6E1F2

Accessibility & contrast

On white

2.46

#63ADDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.53

#63ADDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADDB

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADDB	#FFFFFF	#000000	##000000
##63ADDB	1.00	2.46	8.53	8.53
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.53	21.00	1.00	1.00
##000000	8.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98ACDD

Deuteranopia (green-blind)

#87A0DA

Tritanopia (blue-blind)

#00B9BC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63addb;
/* rgb */ color: rgb(99, 173, 219);
/* oklch */ color: oklch(71.8% 0.100 237.7);

Tailwind

colors: {
  custom: {
    50: '#98c5e6',
    500: '#63addb',
    950: '#000000',
  },
}

SCSS

$custom: #63addb;
$custom-light: #98c5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63addb",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 219
  },
  "hsl": {
    "h": 203,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.71768,
    "c": 0.09999,
    "h": 237.7
  },
  "luminance": 0.37654
}

Semantic roles & 50–950 ramp

primary

#63ADDB

secondary

#E3C8B7

accent

#5E1BCA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ADDB

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

Preview Lab → · Contrast checker → · Palette generator →