#63C6EF#63C6EF

#63C6EF is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.3% C 0.109 H 227.7°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#63C6EF
RGB	rgb(99, 198, 239)
HSL	hsl(198, 81%, 66%)
HSV	hsv(198, 59%, 94%)
CMYK	cmyk(58.6%, 17.2%, 0%, 6.3%)
CIE-LAB	lab(75.62, -17.38, -29.04)
CIE-LCH	lch(75.62, 33.84, 239.09°)
OKLab	oklab(78.26% -0.0736 -0.0809)
OKLCH	oklch(78.26% 0.109 227.7)
XYZ	xyz(40.9136, 49.2689, 88.9983)
Luminance	0.4927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C6EF #EF8C63

analogous

#63EFD2 #63C6EF #6380EF

triadic

#63C6EF #EF63C6 #C6EF63

tetradic

#63C6EF #D263EF #EF8C63 #80EF63

square

#63C6EF #D263EF #EF8C63 #80EF63

split-complementary

#63C6EF #EF6380 #EFD263

monochromatic

#1490C4 #2BB2E9 #63C6EF #9BDAF5 #D2EFFA

Accessibility & contrast

On white

1.93

#63C6EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#63C6EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6EF

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C6EF	#FFFFFF	#000000	##000000
##63C6EF	1.00	1.93	10.85	10.85
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C3F1

Deuteranopia (green-blind)

#9DB4EF

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c6ef;
/* rgb */ color: rgb(99, 198, 239);
/* oklch */ color: oklch(78.3% 0.109 227.7);

Tailwind

colors: {
  custom: {
    50: '#9bd7f4',
    500: '#63c6ef',
    950: '#000000',
  },
}

SCSS

$custom: #63c6ef;
$custom-light: #9bd7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63c6ef",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 239
  },
  "hsl": {
    "h": 197.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.78264,
    "c": 0.10937,
    "h": 227.7
  },
  "luminance": 0.49273
}

Semantic roles & 50–950 ramp

primary

#63C6EF

secondary

#EECDC0

accent

#4608DE

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C6EF

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

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