#63AEE3#63AEE3

#63AEE3 is a light, moderate cyan. Relative luminance 0.385; OKLCH L 72.3% C 0.108 H 241.2°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#63AEE3
RGB	rgb(99, 174, 227)
HSL	hsl(205, 70%, 64%)
HSV	hsv(205, 56%, 89%)
CMYK	cmyk(56.4%, 23.3%, 0%, 11%)
CIE-LAB	lab(68.36, -8.21, -33.72)
CIE-LCH	lch(68.36, 34.70, 256.32°)
OKLab	oklab(72.35% -0.0519 -0.0944)
OKLCH	oklch(72.35% 0.108 241.2)
XYZ	xyz(34.1417, 38.4678, 78.2840)
Luminance	0.3847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEE3 #E39863

analogous

#63E3D8 #63AEE3 #636EE3

triadic

#63AEE3 #E363AE #AEE363

tetradic

#63AEE3 #D863E3 #E39863 #6EE363

square

#63AEE3 #D863E3 #E39863 #6EE363

split-complementary

#63AEE3 #E3636E #E3D863

monochromatic

#1F72AD #2F93DA #63AEE3 #97C9EC #CBE4F6

Accessibility & contrast

On white

2.42

#63AEE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#63AEE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEE3

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEE3	#FFFFFF	#000000	##000000
##63AEE3	1.00	2.42	8.69	8.69
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.69	21.00	1.00	1.00
##000000	8.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96AEE5

Deuteranopia (green-blind)

#85A1E2

Tritanopia (blue-blind)

#00BBC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63aee3;
/* rgb */ color: rgb(99, 174, 227);
/* oklch */ color: oklch(72.3% 0.108 241.2);

Tailwind

colors: {
  custom: {
    50: '#98c6ec',
    500: '#63aee3',
    950: '#000000',
  },
}

SCSS

$custom: #63aee3;
$custom-light: #98c6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63aee3",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 227
  },
  "hsl": {
    "h": 204.844,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.72349,
    "c": 0.10772,
    "h": 241.2
  },
  "luminance": 0.38471
}

Semantic roles & 50–950 ramp

primary

#63AEE3

secondary

#E7CDBA

accent

#6214D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AEE3

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

Preview Lab → · Contrast checker → · Palette generator →