#63ACD5#63ACD5

#63ACD5 is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.3% C 0.095 H 234.8°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#63ACD5
RGB	rgb(99, 172, 213)
HSL	hsl(202, 58%, 61%)
HSV	hsv(202, 54%, 84%)
CMYK	cmyk(53.5%, 19.2%, 0%, 16.5%)
CIE-LAB	lab(67.25, -11.33, -27.75)
CIE-LCH	lch(67.25, 29.98, 247.79°)
OKLab	oklab(71.28% -0.0545 -0.0773)
OKLCH	oklch(71.28% 0.095 234.8)
XYZ	xyz(31.9039, 36.9591, 68.3904)
Luminance	0.3696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACD5 #D58C63

analogous

#63D5C5 #63ACD5 #6373D5

triadic

#63ACD5 #D563AC #ACD563

tetradic

#63ACD5 #C563D5 #D58C63 #73D563

square

#63ACD5 #C563D5 #D58C63 #73D563

split-complementary

#63ACD5 #D56373 #D5C563

monochromatic

#286E95 #3592C6 #63ACD5 #93C6E2 #C3DFEF

Accessibility & contrast

On white

2.50

#63ACD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#63ACD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACD5

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACD5	#FFFFFF	#000000	##000000
##63ACD5	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99ABD7

Deuteranopia (green-blind)

#899ED4

Tritanopia (blue-blind)

#12B7B9

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63acd5;
/* rgb */ color: rgb(99, 172, 213);
/* oklch */ color: oklch(71.3% 0.095 234.8);

Tailwind

colors: {
  custom: {
    50: '#97c4e2',
    500: '#63acd5',
    950: '#000000',
  },
}

SCSS

$custom: #63acd5;
$custom-light: #97c4e2;
$custom-dark: #000000;

JSON

{
  "hex": "#63acd5",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 213
  },
  "hsl": {
    "h": 201.579,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.71281,
    "c": 0.09457,
    "h": 234.8
  },
  "luminance": 0.36962
}

Semantic roles & 50–950 ramp

primary

#63ACD5

secondary

#DFC4B4

accent

#5C20C5

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63ACD5

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

Preview Lab → · Contrast checker → · Palette generator →