#63ADD5#63ADD5

#63ADD5 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.5% C 0.094 H 233.8°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#63ADD5
RGB	rgb(99, 173, 213)
HSL	hsl(201, 58%, 61%)
HSV	hsv(201, 54%, 84%)
CMYK	cmyk(53.5%, 18.8%, 0%, 16.5%)
CIE-LAB	lab(67.53, -11.87, -27.31)
CIE-LCH	lch(67.53, 29.78, 246.50°)
OKLab	oklab(71.51% -0.0556 -0.0761)
OKLCH	oklch(71.51% 0.094 233.8)
XYZ	xyz(32.0949, 37.3411, 68.4541)
Luminance	0.3734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADD5 #D58B63

analogous

#63D5C4 #63ADD5 #6374D5

triadic

#63ADD5 #D563AD #ADD563

tetradic

#63ADD5 #C463D5 #D58B63 #74D563

square

#63ADD5 #C463D5 #D58B63 #74D563

split-complementary

#63ADD5 #D56374 #D5C463

monochromatic

#286F95 #3593C6 #63ADD5 #93C6E2 #C3E0EF

Accessibility & contrast

On white

2.48

#63ADD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#63ADD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADD5

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADD5	#FFFFFF	#000000	##000000
##63ADD5	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AABD7

Deuteranopia (green-blind)

#8A9FD4

Tritanopia (blue-blind)

#11B8BA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63add5;
/* rgb */ color: rgb(99, 173, 213);
/* oklch */ color: oklch(71.5% 0.094 233.8);

Tailwind

colors: {
  custom: {
    50: '#97c5e2',
    500: '#63add5',
    950: '#000000',
  },
}

SCSS

$custom: #63add5;
$custom-light: #97c5e2;
$custom-dark: #000000;

JSON

{
  "hex": "#63add5",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 213
  },
  "hsl": {
    "h": 201.053,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.71508,
    "c": 0.09421,
    "h": 233.8
  },
  "luminance": 0.37344
}

Semantic roles & 50–950 ramp

primary

#63ADD5

secondary

#DFC4B4

accent

#5A20C5

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63ADD5

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

Preview Lab → · Contrast checker → · Palette generator →