#63AFE9#63AFE9

#63AFE9 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.8% C 0.114 H 243.3°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#63AFE9
RGB	rgb(99, 175, 233)
HSL	hsl(206, 75%, 65%)
HSV	hsv(206, 58%, 91%)
CMYK	cmyk(57.5%, 24.9%, 0%, 8.6%)
CIE-LAB	lab(68.89, -6.92, -36.18)
CIE-LCH	lch(68.89, 36.83, 259.17°)
OKLab	oklab(72.85% -0.0511 -0.1015)
OKLCH	oklch(72.85% 0.114 243.3)
XYZ	xyz(35.1781, 39.1926, 82.7861)
Luminance	0.3920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFE9 #E99D63

analogous

#63E9E0 #63AFE9 #636CE9

triadic

#63AFE9 #E963AF #AFE963

tetradic

#63AFE9 #E063E9 #E99D63 #6CE963

square

#63AFE9 #E063E9 #E99D63 #6CE963

split-complementary

#63AFE9 #E9636C #E9E063

monochromatic

#1A73B8 #2D93E1 #63AFE9 #99CBF1 #CEE6F8

Accessibility & contrast

On white

2.38

#63AFE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#63AFE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE9

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFE9	#FFFFFF	#000000	##000000
##63AFE9	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B0EC

Deuteranopia (green-blind)

#84A2E8

Tritanopia (blue-blind)

#00BDC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63afe9;
/* rgb */ color: rgb(99, 175, 233);
/* oklch */ color: oklch(72.8% 0.114 243.3);

Tailwind

colors: {
  custom: {
    50: '#99c6f0',
    500: '#63afe9',
    950: '#000000',
  },
}

SCSS

$custom: #63afe9;
$custom-light: #99c6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63afe9",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 233
  },
  "hsl": {
    "h": 205.97,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.72846,
    "c": 0.1136,
    "h": 243.3
  },
  "luminance": 0.39196
}

Semantic roles & 50–950 ramp

primary

#63AFE9

secondary

#EBD1BD

accent

#650ED7

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AFE9

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

Preview Lab → · Contrast checker → · Palette generator →