#63ADD4#63ADD4

#63ADD4 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.5% C 0.093 H 233.2°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#63ADD4
RGB	rgb(99, 173, 212)
HSL	hsl(201, 57%, 61%)
HSV	hsv(201, 53%, 83%)
CMYK	cmyk(53.3%, 18.4%, 0%, 16.9%)
CIE-LAB	lab(67.49, -12.17, -26.82)
CIE-LCH	lch(67.49, 29.45, 245.60°)
OKLab	oklab(71.47% -0.0559 -0.0747)
OKLCH	oklch(71.47% 0.093 233.2)
XYZ	xyz(31.9684, 37.2905, 67.7877)
Luminance	0.3729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADD4 #D48A63

analogous

#63D4C2 #63ADD4 #6374D4

triadic

#63ADD4 #D463AD #ADD463

tetradic

#63ADD4 #C263D4 #D48A63 #74D463

square

#63ADD4 #C263D4 #D48A63 #74D463

split-complementary

#63ADD4 #D46374 #D4C263

monochromatic

#296F94 #3693C4 #63ADD4 #93C6E1 #C3DFEE

Accessibility & contrast

On white

2.48

#63ADD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#63ADD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADD4

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADD4	#FFFFFF	#000000	##000000
##63ADD4	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AABD6

Deuteranopia (green-blind)

#8A9FD3

Tritanopia (blue-blind)

#14B7BA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63add4;
/* rgb */ color: rgb(99, 173, 212);
/* oklch */ color: oklch(71.5% 0.093 233.2);

Tailwind

colors: {
  custom: {
    50: '#97c5e1',
    500: '#63add4',
    950: '#000000',
  },
}

SCSS

$custom: #63add4;
$custom-light: #97c5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#63add4",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 212
  },
  "hsl": {
    "h": 200.708,
    "s": 56.784,
    "l": 60.98
  },
  "oklch": {
    "l": 0.71466,
    "c": 0.09329,
    "h": 233.2
  },
  "luminance": 0.37293
}

Semantic roles & 50–950 ramp

primary

#63ADD4

secondary

#DFC3B4

accent

#5921C4

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63ADD4

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

Preview Lab → · Contrast checker → · Palette generator →