#63AAFB#63AAFB

#63AAFB is a light, vivid cyan. Relative luminance 0.384; OKLCH L 72.6% C 0.139 H 253.0°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#63AAFB
RGB	rgb(99, 170, 251)
HSL	hsl(212, 95%, 69%)
HSV	hsv(212, 61%, 98%)
CMYK	cmyk(60.6%, 32.3%, 0%, 1.6%)
CIE-LAB	lab(68.29, 1.53, -46.92)
CIE-LCH	lch(68.29, 46.95, 271.87°)
OKLab	oklab(72.63% -0.0406 -0.1326)
OKLCH	oklch(72.63% 0.139 253)
XYZ	xyz(36.9266, 38.3637, 96.7070)
Luminance	0.3837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAFB #FBB463

analogous

#63F6FB #63AAFB #6863FB

triadic

#63AAFB #FB63AA #AAFB63

tetradic

#63AAFB #FB63F6 #FBB463 #63FB68

square

#63AAFB #FB63F6 #FBB463 #63FB68

split-complementary

#63AAFB #FB6863 #F6FB63

monochromatic

#066BDE #2789F9 #63AAFB #9FCBFD #DAEBFE

Accessibility & contrast

On white

2.42

#63AAFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#63AAFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAFB

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAFB	#FFFFFF	#000000	##000000
##63AAFB	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88AFFE

Deuteranopia (green-blind)

#73A0F9

Tritanopia (blue-blind)

#00BDC7

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63aafb;
/* rgb */ color: rgb(99, 170, 251);
/* oklch */ color: oklch(72.6% 0.139 253.0);

Tailwind

colors: {
  custom: {
    50: '#9bc3fd',
    500: '#63aafb',
    950: '#000000',
  },
}

SCSS

$custom: #63aafb;
$custom-light: #9bc3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63aafb",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 251
  },
  "hsl": {
    "h": 211.974,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.7263,
    "c": 0.13871,
    "h": 253
  },
  "luminance": 0.38367
}

Semantic roles & 50–950 ramp

primary

#63AAFB

secondary

#F4DEC6

accent

#7A00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AAFB

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

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