#63B8F2#63B8F2

#63B8F2 is a light, moderate cyan. Relative luminance 0.433; OKLCH L 75.3% C 0.118 H 240.6°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#63B8F2
RGB	rgb(99, 184, 242)
HSL	hsl(204, 85%, 67%)
HSV	hsv(204, 59%, 95%)
CMYK	cmyk(59.1%, 24%, 0%, 5.1%)
CIE-LAB	lab(71.79, -9.05, -36.57)
CIE-LCH	lch(71.79, 37.68, 256.10°)
OKLab	oklab(75.26% -0.0578 -0.1026)
OKLCH	oklch(75.26% 0.118 240.6)
XYZ	xyz(38.3071, 43.3408, 90.3340)
Luminance	0.4334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B8F2 #F29D63

analogous

#63F2E5 #63B8F2 #6371F2

triadic

#63B8F2 #F263B8 #B8F263

tetradic

#63B8F2 #E563F2 #F29D63 #71F263

square

#63B8F2 #E563F2 #F29D63 #71F263

split-complementary

#63B8F2 #F26371 #F2E563

monochromatic

#117FCA #2B9EED #63B8F2 #9BD2F7 #D4EBFB

Accessibility & contrast

On white

2.17

#63B8F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#63B8F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B8F2

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B8F2	#FFFFFF	#000000	##000000
##63B8F2	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB8F5

Deuteranopia (green-blind)

#8AAAF1

Tritanopia (blue-blind)

#00C6CC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63b8f2;
/* rgb */ color: rgb(99, 184, 242);
/* oklch */ color: oklch(75.3% 0.118 240.6);

Tailwind

colors: {
  custom: {
    50: '#9acdf6',
    500: '#63b8f2',
    950: '#000000',
  },
}

SCSS

$custom: #63b8f2;
$custom-light: #9acdf6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b8f2",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 242
  },
  "hsl": {
    "h": 204.336,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.75257,
    "c": 0.11772,
    "h": 240.6
  },
  "luminance": 0.43344
}

Semantic roles & 50–950 ramp

primary

#63B8F2

secondary

#EFD4C2

accent

#5E04E1

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B8F2

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

Preview Lab → · Contrast checker → · Palette generator →