#63ADE3#63ADE3

#63ADE3 is a light, moderate cyan. Relative luminance 0.381; OKLCH L 72.1% C 0.108 H 242.0°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#63ADE3
RGB	rgb(99, 173, 227)
HSL	hsl(205, 70%, 64%)
HSV	hsv(205, 56%, 89%)
CMYK	cmyk(56.4%, 23.8%, 0%, 11%)
CIE-LAB	lab(68.08, -7.66, -34.15)
CIE-LCH	lch(68.08, 35.00, 257.36°)
OKLab	oklab(72.13% -0.0508 -0.0956)
OKLCH	oklch(72.13% 0.108 242)
XYZ	xyz(33.9492, 38.0828, 78.2198)
Luminance	0.3809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADE3 #E39963

analogous

#63E3D9 #63ADE3 #636DE3

triadic

#63ADE3 #E363AD #ADE363

tetradic

#63ADE3 #D963E3 #E39963 #6DE363

square

#63ADE3 #D963E3 #E39963 #6DE363

split-complementary

#63ADE3 #E3636D #E3D963

monochromatic

#1F71AD #2F92DA #63ADE3 #97C8EC #CBE4F6

Accessibility & contrast

On white

2.44

#63ADE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#63ADE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADE3

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADE3	#FFFFFF	#000000	##000000
##63ADE3	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95ADE6

Deuteranopia (green-blind)

#84A0E2

Tritanopia (blue-blind)

#00BABF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ade3;
/* rgb */ color: rgb(99, 173, 227);
/* oklch */ color: oklch(72.1% 0.108 242.0);

Tailwind

colors: {
  custom: {
    50: '#98c5ec',
    500: '#63ade3',
    950: '#000000',
  },
}

SCSS

$custom: #63ade3;
$custom-light: #98c5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63ade3",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 227
  },
  "hsl": {
    "h": 205.313,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.72125,
    "c": 0.10831,
    "h": 242
  },
  "luminance": 0.38086
}

Semantic roles & 50–950 ramp

primary

#63ADE3

secondary

#E7CDBA

accent

#6414D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ADE3

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

Preview Lab → · Contrast checker → · Palette generator →