#63BDF6#63BDF6

#63BDF6 is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.5% C 0.119 H 238.8°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#63BDF6
RGB	rgb(99, 189, 246)
HSL	hsl(203, 89%, 68%)
HSV	hsv(203, 60%, 96%)
CMYK	cmyk(59.8%, 23.2%, 0%, 3.5%)
CIE-LAB	lab(73.35, -10.52, -36.31)
CIE-LCH	lch(73.35, 37.80, 253.84°)
OKLab	oklab(76.55% -0.0617 -0.1018)
OKLCH	oklch(76.55% 0.119 238.8)
XYZ	xyz(39.9715, 45.6978, 93.8850)
Luminance	0.4570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDF6 #F69C63

analogous

#63F6E5 #63BDF6 #6374F6

triadic

#63BDF6 #F663BD #BDF663

tetradic

#63BDF6 #E563F6 #F69C63 #74F663

square

#63BDF6 #E563F6 #F69C63 #74F663

split-complementary

#63BDF6 #F66374 #F6E563

monochromatic

#0C86D2 #29A5F3 #63BDF6 #9DD5F9 #D7EEFD

Accessibility & contrast

On white

2.07

#63BDF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#63BDF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDF6

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDF6	#FFFFFF	#000000	##000000
##63BDF6	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3BCF9

Deuteranopia (green-blind)

#8FAEF5

Tritanopia (blue-blind)

#00CBD0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bdf6;
/* rgb */ color: rgb(99, 189, 246);
/* oklch */ color: oklch(76.5% 0.119 238.8);

Tailwind

colors: {
  custom: {
    50: '#9bd0f9',
    500: '#63bdf6',
    950: '#000000',
  },
}

SCSS

$custom: #63bdf6;
$custom-light: #9bd0f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63bdf6",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 246
  },
  "hsl": {
    "h": 203.265,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.76548,
    "c": 0.11903,
    "h": 238.8
  },
  "luminance": 0.45702
}

Semantic roles & 50–950 ramp

primary

#63BDF6

secondary

#F1D5C4

accent

#5900E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BDF6

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

Preview Lab → · Contrast checker → · Palette generator →