#63AFDD#63AFDD

#63AFDD is a light, moderate cyan. Relative luminance 0.385; OKLCH L 72.3% C 0.101 H 237.0°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#63AFDD
RGB	rgb(99, 175, 221)
HSL	hsl(203, 64%, 63%)
HSV	hsv(203, 55%, 87%)
CMYK	cmyk(55.2%, 20.8%, 0%, 13.3%)
CIE-LAB	lab(68.41, -10.57, -30.36)
CIE-LCH	lch(68.41, 32.14, 250.80°)
OKLab	oklab(72.31% -0.055 -0.0848)
OKLCH	oklch(72.31% 0.101 237)
XYZ	xyz(33.5219, 38.5301, 74.0631)
Luminance	0.3853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFDD #DD9163

analogous

#63DDCE #63AFDD #6372DD

triadic

#63AFDD #DD63AF #AFDD63

tetradic

#63AFDD #CE63DD #DD9163 #72DD63

square

#63AFDD #CE63DD #DD9163 #72DD63

split-complementary

#63AFDD #DD6372 #DDCE63

monochromatic

#2372A2 #3195D2 #63AFDD #95C9E8 #C7E3F3

Accessibility & contrast

On white

2.41

#63AFDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#63AFDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFDD

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFDD	#FFFFFF	#000000	##000000
##63AFDD	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAEDF

Deuteranopia (green-blind)

#89A1DC

Tritanopia (blue-blind)

#00BBBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63afdd;
/* rgb */ color: rgb(99, 175, 221);
/* oklch */ color: oklch(72.3% 0.101 237.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#63afdd",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 221
  },
  "hsl": {
    "h": 202.623,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.72306,
    "c": 0.10105,
    "h": 237
  },
  "luminance": 0.38533
}

Semantic roles & 50–950 ramp

primary

#63AFDD

secondary

#E4C8B8

accent

#5D19CC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63AFDD

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

Preview Lab → · Contrast checker → · Palette generator →