#63D5F3#63D5F3

#63D5F3 is a light, moderate cyan. Relative luminance 0.567; OKLCH L 81.8% C 0.111 H 217.7°. Best body text is #000000 at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#63D5F3
RGB	rgb(99, 213, 243)
HSL	hsl(193, 86%, 67%)
HSV	hsv(193, 59%, 95%)
CMYK	cmyk(59.3%, 12.3%, 0%, 4.7%)
CIE-LAB	lab(80.01, -23.84, -24.45)
CIE-LCH	lch(80.01, 34.15, 225.73°)
OKLab	oklab(81.83% -0.0878 -0.0679)
OKLCH	oklch(81.83% 0.111 217.7)
XYZ	xyz(45.1110, 56.7077, 93.3450)
Luminance	0.5671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D5F3 #F38163

analogous

#63F3C9 #63D5F3 #638DF3

triadic

#63D5F3 #F363D5 #D5F363

tetradic

#63D5F3 #C963F3 #F38163 #8DF363

square

#63D5F3 #C963F3 #F38163 #8DF363

split-complementary

#63D5F3 #F3638D #F3C963

monochromatic

#10A5CC #2AC6EF #63D5F3 #9CE4F7 #D5F4FC

Accessibility & contrast

On white

1.70

#63D5F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.34

#63D5F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5F3

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D5F3	#FFFFFF	#000000	##000000
##63D5F3	1.00	1.70	12.34	12.34
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.34	21.00	1.00	1.00
##000000	12.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CFF5

Deuteranopia (green-blind)

#ACC0F3

Tritanopia (blue-blind)

#00E0DE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d5f3;
/* rgb */ color: rgb(99, 213, 243);
/* oklch */ color: oklch(81.8% 0.111 217.7);

Tailwind

colors: {
  custom: {
    50: '#9ce2f7',
    500: '#63d5f3',
    950: '#000000',
  },
}

SCSS

$custom: #63d5f3;
$custom-light: #9ce2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d5f3",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 243
  },
  "hsl": {
    "h": 192.5,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.81825,
    "c": 0.11098,
    "h": 217.7
  },
  "luminance": 0.56712
}

Semantic roles & 50–950 ramp

primary

#63D5F3

secondary

#C85132

accent

#3203E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D5F3

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

Preview Lab → · Contrast checker → · Palette generator →