#63ADDE#63ADDE

#63ADDE is a light, moderate cyan. Relative luminance 0.378; OKLCH L 71.9% C 0.103 H 239.4°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#63ADDE
RGB	rgb(99, 173, 222)
HSL	hsl(204, 65%, 63%)
HSV	hsv(204, 55%, 87%)
CMYK	cmyk(55.4%, 22.1%, 0%, 12.9%)
CIE-LAB	lab(67.88, -9.18, -31.72)
CIE-LCH	lch(67.88, 33.02, 253.86°)
OKLab	oklab(71.9% -0.0525 -0.0887)
OKLCH	oklch(71.9% 0.103 239.4)
XYZ	xyz(33.2691, 37.8108, 74.6381)
Luminance	0.3781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADDE #DE9463

analogous

#63DED1 #63ADDE #6370DE

triadic

#63ADDE #DE63AD #ADDE63

tetradic

#63ADDE #D163DE #DE9463 #70DE63

square

#63ADDE #D163DE #DE9463 #70DE63

split-complementary

#63ADDE #DE6370 #DED163

monochromatic

#2370A4 #3092D3 #63ADDE #96C8E9 #C8E2F3

Accessibility & contrast

On white

2.45

#63ADDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#63ADDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADDE

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADDE	#FFFFFF	#000000	##000000
##63ADDE	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ADE0

Deuteranopia (green-blind)

#86A0DD

Tritanopia (blue-blind)

#00B9BD

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63adde;
/* rgb */ color: rgb(99, 173, 222);
/* oklch */ color: oklch(71.9% 0.103 239.4);

Tailwind

colors: {
  custom: {
    50: '#98c5e8',
    500: '#63adde',
    950: '#000000',
  },
}

SCSS

$custom: #63adde;
$custom-light: #98c5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#63adde",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 222
  },
  "hsl": {
    "h": 203.902,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.719,
    "c": 0.10303,
    "h": 239.4
  },
  "luminance": 0.37814
}

Semantic roles & 50–950 ramp

primary

#63ADDE

secondary

#E5CAB8

accent

#6019CD

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ADDE

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

Preview Lab → · Contrast checker → · Palette generator →