#63ADFD#63ADFD

#63ADFD is a light, vivid cyan. Relative luminance 0.396; OKLCH L 73.4% C 0.138 H 251.9°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#63ADFD
RGB	rgb(99, 173, 253)
HSL	hsl(211, 97%, 69%)
HSV	hsv(211, 61%, 99%)
CMYK	cmyk(60.9%, 31.6%, 0%, 0.8%)
CIE-LAB	lab(69.20, 0.48, -46.57)
CIE-LCH	lch(69.20, 46.57, 270.59°)
OKLab	oklab(73.38% -0.0431 -0.1316)
OKLCH	oklch(73.38% 0.138 251.9)
XYZ	xyz(37.8123, 39.6281, 98.5658)
Luminance	0.3963 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADFD #FDB363

analogous

#63FAFD #63ADFD #6663FD

triadic

#63ADFD #FD63AD #ADFD63

tetradic

#63ADFD #FD63FA #FDB363 #63FD66

square

#63ADFD #FD63FA #FDB363 #63FD66

split-complementary

#63ADFD #FD6663 #FAFD63

monochromatic

#036EE3 #278DFC #63ADFD #9FCDFE #DCEDFF

Accessibility & contrast

On white

2.35

#63ADFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#63ADFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADFD

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADFD	#FFFFFF	#000000	##000000
##63ADFD	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BB1FF

Deuteranopia (green-blind)

#76A2FB

Tritanopia (blue-blind)

#00C0CA

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63adfd;
/* rgb */ color: rgb(99, 173, 253);
/* oklch */ color: oklch(73.4% 0.138 251.9);

Tailwind

colors: {
  custom: {
    50: '#9cc5fe',
    500: '#63adfd',
    950: '#000000',
  },
}

SCSS

$custom: #63adfd;
$custom-light: #9cc5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63adfd",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 253
  },
  "hsl": {
    "h": 211.169,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.73378,
    "c": 0.13846,
    "h": 251.9
  },
  "luminance": 0.39632
}

Semantic roles & 50–950 ramp

primary

#63ADFD

secondary

#F4DFC7

accent

#7700E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63ADFD

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

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