#63AEDD#63AEDD

#63AEDD is a light, moderate cyan. Relative luminance 0.381; OKLCH L 72.1% C 0.102 H 237.9°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#63AEDD
RGB	rgb(99, 174, 221)
HSL	hsl(203, 64%, 63%)
HSV	hsv(203, 55%, 87%)
CMYK	cmyk(55.2%, 21.3%, 0%, 13.3%)
CIE-LAB	lab(68.13, -10.03, -30.80)
CIE-LCH	lch(68.13, 32.39, 251.96°)
OKLab	oklab(72.08% -0.0539 -0.086)
OKLCH	oklch(72.08% 0.102 237.9)
XYZ	xyz(33.3280, 38.1423, 73.9985)
Luminance	0.3815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEDD #DD9263

analogous

#63DDCF #63AEDD #6371DD

triadic

#63AEDD #DD63AE #AEDD63

tetradic

#63AEDD #CF63DD #DD9263 #71DD63

square

#63AEDD #CF63DD #DD9263 #71DD63

split-complementary

#63AEDD #DD6371 #DDCF63

monochromatic

#2371A2 #3194D2 #63AEDD #95C8E8 #C7E2F3

Accessibility & contrast

On white

2.43

#63AEDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.63

#63AEDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEDD

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEDD	#FFFFFF	#000000	##000000
##63AEDD	1.00	2.43	8.63	8.63
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.63	21.00	1.00	1.00
##000000	8.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99ADDF

Deuteranopia (green-blind)

#88A0DC

Tritanopia (blue-blind)

#00BABE

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63aedd;
/* rgb */ color: rgb(99, 174, 221);
/* oklch */ color: oklch(72.1% 0.102 237.9);

Tailwind

colors: {
  custom: {
    50: '#98c6e7',
    500: '#63aedd',
    950: '#000000',
  },
}

SCSS

$custom: #63aedd;
$custom-light: #98c6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63aedd",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 221
  },
  "hsl": {
    "h": 203.115,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.72081,
    "c": 0.10152,
    "h": 237.9
  },
  "luminance": 0.38145
}

Semantic roles & 50–950 ramp

primary

#63AEDD

secondary

#E4C9B8

accent

#5E19CC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63AEDD

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

Preview Lab → · Contrast checker → · Palette generator →