#63A9EA#63A9EA

#63A9EA is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.6% C 0.119 H 248.1°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#63A9EA
RGB	rgb(99, 169, 234)
HSL	hsl(209, 76%, 65%)
HSV	hsv(209, 58%, 92%)
CMYK	cmyk(57.7%, 27.8%, 0%, 8.2%)
CIE-LAB	lab(67.25, -3.28, -39.28)
CIE-LCH	lch(67.25, 39.42, 265.22°)
OKLab	oklab(71.57% -0.0443 -0.1104)
OKLCH	oklch(71.57% 0.119 248.1)
XYZ	xyz(34.1795, 36.9661, 83.1599)
Luminance	0.3697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9EA #EAA463

analogous

#63EAE8 #63A9EA #6365EA

triadic

#63A9EA #EA63A9 #A9EA63

tetradic

#63A9EA #E863EA #EAA463 #65EA63

square

#63A9EA #E863EA #EAA463 #65EA63

split-complementary

#63A9EA #EA6365 #EAE863

monochromatic

#196CBA #2D8BE3 #63A9EA #99C7F1 #CFE4F9

Accessibility & contrast

On white

2.50

#63A9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#63A9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9EA

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9EA	#FFFFFF	#000000	##000000
##63A9EA	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DABED

Deuteranopia (green-blind)

#7B9EE9

Tritanopia (blue-blind)

#00B8C0

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63a9ea;
/* rgb */ color: rgb(99, 169, 234);
/* oklch */ color: oklch(71.6% 0.119 248.1);

Tailwind

colors: {
  custom: {
    50: '#99c2f1',
    500: '#63a9ea',
    950: '#000000',
  },
}

SCSS

$custom: #63a9ea;
$custom-light: #99c2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9ea",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 234
  },
  "hsl": {
    "h": 208.889,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.71567,
    "c": 0.11901,
    "h": 248.1
  },
  "luminance": 0.36969
}

Semantic roles & 50–950 ramp

primary

#63A9EA

secondary

#EBD4BE

accent

#6F0DD8

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A9EA

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

Preview Lab → · Contrast checker → · Palette generator →