#63AAF5#63AAF5

#63AAF5 is a light, vivid cyan. Relative luminance 0.380; OKLCH L 72.3% C 0.131 H 251.3°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#63AAF5
RGB	rgb(99, 170, 245)
HSL	hsl(211, 88%, 67%)
HSV	hsv(211, 60%, 96%)
CMYK	cmyk(59.6%, 30.6%, 0%, 3.9%)
CIE-LAB	lab(68.01, -0.38, -44.09)
CIE-LCH	lch(68.01, 44.09, 269.50°)
OKLab	oklab(72.33% -0.0422 -0.1244)
OKLCH	oklch(72.33% 0.131 251.3)
XYZ	xyz(35.9958, 37.9914, 91.8046)
Luminance	0.3800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAF5 #F5AE63

analogous

#63F3F5 #63AAF5 #6563F5

triadic

#63AAF5 #F563AA #AAF563

tetradic

#63AAF5 #F563F3 #F5AE63 #63F565

square

#63AAF5 #F563F3 #F5AE63 #63F565

split-complementary

#63AAF5 #F56563 #F3F563

monochromatic

#0D6CD0 #298BF1 #63AAF5 #9DC9F9 #D6E9FC

Accessibility & contrast

On white

2.44

#63AAF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#63AAF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAF5

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAF5	#FFFFFF	#000000	##000000
##63AAF5	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AAEF8

Deuteranopia (green-blind)

#779FF4

Tritanopia (blue-blind)

#00BBC5

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63aaf5;
/* rgb */ color: rgb(99, 170, 245);
/* oklch */ color: oklch(72.3% 0.131 251.3);

Tailwind

colors: {
  custom: {
    50: '#9ac3f9',
    500: '#63aaf5',
    950: '#000000',
  },
}

SCSS

$custom: #63aaf5;
$custom-light: #9ac3f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63aaf5",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 245
  },
  "hsl": {
    "h": 210.822,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.72326,
    "c": 0.13136,
    "h": 251.3
  },
  "luminance": 0.37995
}

Semantic roles & 50–950 ramp

primary

#63AAF5

secondary

#F1DBC3

accent

#7601E5

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AAF5

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

Preview Lab → · Contrast checker → · Palette generator →