#63ACD3#63ACD3

#63ACD3 is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.2% C 0.093 H 233.5°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#63ACD3
RGB	rgb(99, 172, 211)
HSL	hsl(201, 56%, 61%)
HSV	hsv(201, 53%, 83%)
CMYK	cmyk(53.1%, 18.5%, 0%, 17.3%)
CIE-LAB	lab(67.17, -11.93, -26.77)
CIE-LCH	lch(67.17, 29.30, 245.99°)
OKLab	oklab(71.2% -0.0552 -0.0745)
OKLCH	oklch(71.2% 0.093 233.5)
XYZ	xyz(31.6516, 36.8582, 67.0618)
Luminance	0.3686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACD3 #D38A63

analogous

#63D3C2 #63ACD3 #6374D3

triadic

#63ACD3 #D363AC #ACD363

tetradic

#63ACD3 #C263D3 #D38A63 #74D363

square

#63ACD3 #C263D3 #D38A63 #74D363

split-complementary

#63ACD3 #D36374 #D3C263

monochromatic

#296E92 #3792C2 #63ACD3 #93C5E0 #C2DFEE

Accessibility & contrast

On white

2.51

#63ACD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#63ACD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACD3

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACD3	#FFFFFF	#000000	##000000
##63ACD3	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99AAD5

Deuteranopia (green-blind)

#8A9ED2

Tritanopia (blue-blind)

#17B6B9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63acd3;
/* rgb */ color: rgb(99, 172, 211);
/* oklch */ color: oklch(71.2% 0.093 233.5);

Tailwind

colors: {
  custom: {
    50: '#97c4e0',
    500: '#63acd3',
    950: '#000000',
  },
}

SCSS

$custom: #63acd3;
$custom-light: #97c4e0;
$custom-dark: #000000;

JSON

{
  "hex": "#63acd3",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 211
  },
  "hsl": {
    "h": 200.893,
    "s": 56,
    "l": 60.784
  },
  "oklch": {
    "l": 0.71196,
    "c": 0.09271,
    "h": 233.5
  },
  "luminance": 0.36861
}

Semantic roles & 50–950 ramp

primary

#63ACD3

secondary

#DEC2B4

accent

#5A22C4

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63ACD3

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

Preview Lab → · Contrast checker → · Palette generator →