#63ADD2#63ADD2

#63ADD2 is a light, moderate cyan. Relative luminance 0.372; OKLCH L 71.4% C 0.091 H 231.7°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#63ADD2
RGB	rgb(99, 173, 210)
HSL	hsl(200, 55%, 61%)
HSV	hsv(200, 53%, 82%)
CMYK	cmyk(52.9%, 17.6%, 0%, 17.6%)
CIE-LAB	lab(67.42, -12.76, -25.83)
CIE-LCH	lch(67.42, 28.81, 243.72°)
OKLab	oklab(71.38% -0.0567 -0.0718)
OKLCH	oklch(71.38% 0.092 231.7)
XYZ	xyz(31.7177, 37.1902, 66.4673)
Luminance	0.3719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADD2 #D28863

analogous

#63D2BF #63ADD2 #6375D2

triadic

#63ADD2 #D263AD #ADD263

tetradic

#63ADD2 #BF63D2 #D28863 #75D263

square

#63ADD2 #BF63D2 #D28863 #75D263

split-complementary

#63ADD2 #D26375 #D2BF63

monochromatic

#2A6E91 #3793C0 #63ADD2 #92C6E0 #C2DFED

Accessibility & contrast

On white

2.49

#63ADD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#63ADD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADD2

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADD2	#FFFFFF	#000000	##000000
##63ADD2	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BABD4

Deuteranopia (green-blind)

#8B9FD1

Tritanopia (blue-blind)

#18B7B9

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63add2;
/* rgb */ color: rgb(99, 173, 210);
/* oklch */ color: oklch(71.4% 0.091 231.7);

Tailwind

colors: {
  custom: {
    50: '#97c5e0',
    500: '#63add2',
    950: '#000000',
  },
}

SCSS

$custom: #63add2;
$custom-light: #97c5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#63add2",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 210
  },
  "hsl": {
    "h": 200,
    "s": 55.224,
    "l": 60.588
  },
  "oklch": {
    "l": 0.71382,
    "c": 0.0915,
    "h": 231.7
  },
  "luminance": 0.37193
}

Semantic roles & 50–950 ramp

primary

#63ADD2

secondary

#DEC1B3

accent

#5823C3

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63ADD2

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

Preview Lab → · Contrast checker → · Palette generator →