#63ADEE#63ADEE

#63ADEE is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.6% C 0.121 H 246.9°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#63ADEE
RGB	rgb(99, 173, 238)
HSL	hsl(208, 80%, 66%)
HSV	hsv(208, 58%, 93%)
CMYK	cmyk(58.4%, 27.3%, 0%, 6.7%)
CIE-LAB	lab(68.54, -4.26, -39.45)
CIE-LCH	lch(68.54, 39.68, 263.83°)
OKLab	oklab(72.64% -0.0474 -0.1109)
OKLCH	oklch(72.64% 0.121 246.9)
XYZ	xyz(35.5161, 38.7096, 86.4724)
Luminance	0.3871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADEE #EEA463

analogous

#63EEEA #63ADEE #6367EE

triadic

#63ADEE #EE63AD #ADEE63

tetradic

#63ADEE #EA63EE #EEA463 #67EE63

square

#63ADEE #EA63EE #EEA463 #67EE63

split-complementary

#63ADEE #EE6367 #EEEA63

monochromatic

#1571C2 #2C90E8 #63ADEE #9ACAF4 #D1E7FA

Accessibility & contrast

On white

2.40

#63ADEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#63ADEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADEE

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADEE	#FFFFFF	#000000	##000000
##63ADEE	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91AFF1

Deuteranopia (green-blind)

#7FA1ED

Tritanopia (blue-blind)

#00BCC4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63adee;
/* rgb */ color: rgb(99, 173, 238);
/* oklch */ color: oklch(72.6% 0.121 246.9);

Tailwind

colors: {
  custom: {
    50: '#9ac5f4',
    500: '#63adee',
    950: '#000000',
  },
}

SCSS

$custom: #63adee;
$custom-light: #9ac5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63adee",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 238
  },
  "hsl": {
    "h": 208.058,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.72639,
    "c": 0.12063,
    "h": 246.9
  },
  "luminance": 0.38713
}

Semantic roles & 50–950 ramp

primary

#63ADEE

secondary

#EDD5C0

accent

#6C09DD

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ADEE

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

Preview Lab → · Contrast checker → · Palette generator →