#63AAFD#63AAFD

#63AAFD is a light, vivid cyan. Relative luminance 0.385; OKLCH L 72.7% C 0.141 H 253.5°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#63AAFD
RGB	rgb(99, 170, 253)
HSL	hsl(212, 97%, 69%)
HSV	hsv(212, 61%, 99%)
CMYK	cmyk(60.9%, 32.8%, 0%, 0.8%)
CIE-LAB	lab(68.38, 2.17, -47.86)
CIE-LCH	lch(68.38, 47.91, 272.60°)
OKLab	oklab(72.73% -0.04 -0.1354)
OKLCH	oklch(72.73% 0.141 253.5)
XYZ	xyz(37.2435, 38.4905, 98.3762)
Luminance	0.3849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAFD #FDB663

analogous

#63F7FD #63AAFD #6963FD

triadic

#63AAFD #FD63AA #AAFD63

tetradic

#63AAFD #FD63F7 #FDB663 #63FD69

square

#63AAFD #FD63F7 #FDB663 #63FD69

split-complementary

#63AAFD #FD6963 #F7FD63

monochromatic

#036AE3 #2789FC #63AAFD #9FCBFE #DCECFF

Accessibility & contrast

On white

2.41

#63AAFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#63AAFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAFD

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAFD	#FFFFFF	#000000	##000000
##63AAFD	1.00	2.41	8.70	8.70
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87AFFF

Deuteranopia (green-blind)

#72A0FB

Tritanopia (blue-blind)

#00BDC8

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63aafd;
/* rgb */ color: rgb(99, 170, 253);
/* oklch */ color: oklch(72.7% 0.141 253.5);

Tailwind

colors: {
  custom: {
    50: '#9cc2fe',
    500: '#63aafd',
    950: '#000000',
  },
}

SCSS

$custom: #63aafd;
$custom-light: #9cc2fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63aafd",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 253
  },
  "hsl": {
    "h": 212.338,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.72733,
    "c": 0.14117,
    "h": 253.5
  },
  "luminance": 0.38494
}

Semantic roles & 50–950 ramp

primary

#63AAFD

secondary

#F4E0C7

accent

#7C00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63AAFD

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

Preview Lab → · Contrast checker → · Palette generator →