#63C5F7#63C5F7

#63C5F7 is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.4% C 0.116 H 233.2°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#63C5F7
RGB	rgb(99, 197, 247)
HSL	hsl(200, 90%, 68%)
HSV	hsv(200, 60%, 97%)
CMYK	cmyk(59.9%, 20.2%, 0%, 3.1%)
CIE-LAB	lab(75.64, -14.46, -33.31)
CIE-LCH	lch(75.64, 36.31, 246.53°)
OKLab	oklab(78.38% -0.0697 -0.0931)
OKLCH	oklch(78.38% 0.116 233.2)
XYZ	xyz(41.8939, 49.2965, 95.2850)
Luminance	0.4930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C5F7 #F79563

analogous

#63F7DF #63C5F7 #637BF7

triadic

#63C5F7 #F763C5 #C5F763

tetradic

#63C5F7 #DF63F7 #F79563 #7BF763

square

#63C5F7 #DF63F7 #F79563 #7BF763

split-complementary

#63C5F7 #F7637B #F7DF63

monochromatic

#0B91D5 #29AFF4 #63C5F7 #9DDBFA #D7F0FD

Accessibility & contrast

On white

1.93

#63C5F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#63C5F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5F7

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C5F7	#FFFFFF	#000000	##000000
##63C5F7	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC3F9

Deuteranopia (green-blind)

#98B4F6

Tritanopia (blue-blind)

#00D2D6

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #63c5f7;
/* rgb */ color: rgb(99, 197, 247);
/* oklch */ color: oklch(78.4% 0.116 233.2);

Tailwind

colors: {
  custom: {
    50: '#9bd6fa',
    500: '#63c5f7',
    950: '#000000',
  },
}

SCSS

$custom: #63c5f7;
$custom-light: #9bd6fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63c5f7",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 247
  },
  "hsl": {
    "h": 200.27,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.78376,
    "c": 0.11634,
    "h": 233.2
  },
  "luminance": 0.49301
}

Semantic roles & 50–950 ramp

primary

#63C5F7

secondary

#F2D4C4

accent

#4E00E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #63C5F7

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

Preview Lab → · Contrast checker → · Palette generator →