#63AFE3#63AFE3

#63AFE3 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.6% C 0.107 H 240.3°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#63AFE3
RGB	rgb(99, 175, 227)
HSL	hsl(204, 70%, 64%)
HSV	hsv(204, 56%, 89%)
CMYK	cmyk(56.4%, 22.9%, 0%, 11%)
CIE-LAB	lab(68.65, -8.76, -33.28)
CIE-LCH	lch(68.65, 34.41, 255.26°)
OKLab	oklab(72.57% -0.053 -0.0931)
OKLCH	oklch(72.57% 0.107 240.3)
XYZ	xyz(34.3356, 38.8556, 78.3486)
Luminance	0.3886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFE3 #E39763

analogous

#63E3D7 #63AFE3 #636FE3

triadic

#63AFE3 #E363AF #AFE363

tetradic

#63AFE3 #D763E3 #E39763 #6FE363

square

#63AFE3 #D763E3 #E39763 #6FE363

split-complementary

#63AFE3 #E3636F #E3D763

monochromatic

#1F73AD #2F94DA #63AFE3 #97CAEC #CBE4F6

Accessibility & contrast

On white

2.39

#63AFE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#63AFE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE3

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFE3	#FFFFFF	#000000	##000000
##63AFE3	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98AFE5

Deuteranopia (green-blind)

#86A2E2

Tritanopia (blue-blind)

#00BCC1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63afe3;
/* rgb */ color: rgb(99, 175, 227);
/* oklch */ color: oklch(72.6% 0.107 240.3);

Tailwind

colors: {
  custom: {
    50: '#98c6ec',
    500: '#63afe3',
    950: '#000000',
  },
}

SCSS

$custom: #63afe3;
$custom-light: #98c6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63afe3",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 227
  },
  "hsl": {
    "h": 204.375,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.72572,
    "c": 0.10716,
    "h": 240.3
  },
  "luminance": 0.38859
}

Semantic roles & 50–950 ramp

primary

#63AFE3

secondary

#E7CDBA

accent

#6114D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AFE3

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

Preview Lab → · Contrast checker → · Palette generator →