#63AEEB#63AEEB

#63AEEB is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.7% C 0.116 H 244.9°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#63AEEB
RGB	rgb(99, 174, 235)
HSL	hsl(207, 77%, 65%)
HSV	hsv(207, 58%, 92%)
CMYK	cmyk(57.9%, 26%, 0%, 7.8%)
CIE-LAB	lab(68.69, -5.75, -37.58)
CIE-LCH	lch(68.69, 38.02, 261.30°)
OKLab	oklab(72.72% -0.0494 -0.1055)
OKLCH	oklch(72.72% 0.116 244.9)
XYZ	xyz(35.2715, 38.9197, 84.2346)
Luminance	0.3892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEEB #EBA063

analogous

#63EBE4 #63AEEB #636AEB

triadic

#63AEEB #EB63AE #AEEB63

tetradic

#63AEEB #E463EB #EBA063 #6AEB63

square

#63AEEB #E463EB #EBA063 #6AEB63

split-complementary

#63AEEB #EB636A #EBE463

monochromatic

#1872BC #2D92E4 #63AEEB #99CAF2 #CFE6F9

Accessibility & contrast

On white

2.39

#63AEEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#63AEEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEEB

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEEB	#FFFFFF	#000000	##000000
##63AEEB	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94AFEE

Deuteranopia (green-blind)

#81A2EA

Tritanopia (blue-blind)

#00BDC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63aeeb;
/* rgb */ color: rgb(99, 174, 235);
/* oklch */ color: oklch(72.7% 0.116 244.9);

Tailwind

colors: {
  custom: {
    50: '#99c6f1',
    500: '#63aeeb',
    950: '#000000',
  },
}

SCSS

$custom: #63aeeb;
$custom-light: #99c6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63aeeb",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 235
  },
  "hsl": {
    "h": 206.912,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.72717,
    "c": 0.11649,
    "h": 244.9
  },
  "luminance": 0.38923
}

Semantic roles & 50–950 ramp

primary

#63AEEB

secondary

#ECD3BE

accent

#680CDA

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AEEB

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

Preview Lab → · Contrast checker → · Palette generator →