#63C7E9#63C7E9

#63C7E9 is a light, moderate cyan. Relative luminance 0.494; OKLCH L 78.2% C 0.105 H 222.9°. Best body text is #000000 at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#63C7E9
RGB	rgb(99, 199, 233)
HSL	hsl(195, 75%, 65%)
HSV	hsv(195, 58%, 91%)
CMYK	cmyk(57.5%, 14.6%, 0%, 8.6%)
CIE-LAB	lab(75.69, -19.66, -25.70)
CIE-LCH	lch(75.69, 32.36, 232.59°)
OKLab	oklab(78.25% -0.0768 -0.0715)
OKLCH	oklch(78.25% 0.105 222.9)
XYZ	xyz(40.2712, 49.3788, 84.4838)
Luminance	0.4938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7E9 #E98563

analogous

#63E9C8 #63C7E9 #6384E9

triadic

#63C7E9 #E963C7 #C7E963

tetradic

#63C7E9 #C863E9 #E98563 #84E963

square

#63C7E9 #C863E9 #E98563 #84E963

split-complementary

#63C7E9 #E96384 #E9C863

monochromatic

#1A90B8 #2DB4E1 #63C7E9 #99DAF1 #CEEEF8

Accessibility & contrast

On white

1.93

#63C7E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.88

#63C7E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7E9

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7E9	#FFFFFF	#000000	##000000
##63C7E9	1.00	1.93	10.88	10.88
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.88	21.00	1.00	1.00
##000000	10.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C3EB

Deuteranopia (green-blind)

#A0B4E9

Tritanopia (blue-blind)

#00D2D2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c7e9;
/* rgb */ color: rgb(99, 199, 233);
/* oklch */ color: oklch(78.2% 0.105 222.9);

Tailwind

colors: {
  custom: {
    50: '#9ad8f0',
    500: '#63c7e9',
    950: '#000000',
  },
}

SCSS

$custom: #63c7e9;
$custom-light: #9ad8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7e9",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 233
  },
  "hsl": {
    "h": 195.224,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.78246,
    "c": 0.10491,
    "h": 222.9
  },
  "luminance": 0.49383
}

Semantic roles & 50–950 ramp

primary

#63C7E9

secondary

#EBC9BD

accent

#410ED7

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C7E9

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

Preview Lab → · Contrast checker → · Palette generator →