#63A5EE#63A5EE

#63A5EE is a light, vivid cyan. Relative luminance 0.357; OKLCH L 70.9% C 0.127 H 252.2°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#63A5EE
RGB	rgb(99, 165, 238)
HSL	hsl(212, 80%, 66%)
HSV	hsv(212, 58%, 93%)
CMYK	cmyk(58.4%, 30.7%, 0%, 6.7%)
CIE-LAB	lab(66.32, 0.23, -42.93)
CIE-LCH	lch(66.32, 42.93, 270.30°)
OKLab	oklab(70.89% -0.0389 -0.1211)
OKLCH	oklch(70.89% 0.127 252.2)
XYZ	xyz(34.0278, 35.7329, 85.9763)
Luminance	0.3574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5EE #EEAC63

analogous

#63EAEE #63A5EE #6663EE

triadic

#63A5EE #EE63A5 #A5EE63

tetradic

#63A5EE #EE63EA #EEAC63 #63EE66

square

#63A5EE #EE63EA #EEAC63 #63EE66

split-complementary

#63A5EE #EE6663 #EAEE63

monochromatic

#1567C2 #2C85E8 #63A5EE #9AC5F4 #D1E5FA

Accessibility & contrast

On white

2.58

#63A5EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#63A5EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5EE

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5EE	#FFFFFF	#000000	##000000
##63A5EE	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A9F1

Deuteranopia (green-blind)

#749BED

Tritanopia (blue-blind)

#00B6BF

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a5ee;
/* rgb */ color: rgb(99, 165, 238);
/* oklch */ color: oklch(70.9% 0.127 252.2);

Tailwind

colors: {
  custom: {
    50: '#9abff4',
    500: '#63a5ee',
    950: '#000000',
  },
}

SCSS

$custom: #63a5ee;
$custom-light: #9abff4;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5ee",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 238
  },
  "hsl": {
    "h": 211.511,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.7089,
    "c": 0.12716,
    "h": 252.2
  },
  "luminance": 0.35736
}

Semantic roles & 50–950 ramp

primary

#63A5EE

secondary

#EDD8C0

accent

#7809DD

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A5EE

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

Preview Lab → · Contrast checker → · Palette generator →