#63A8DF#63A8DF

#63A8DF is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.8% C 0.107 H 244.2°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#63A8DF
RGB	rgb(99, 168, 223)
HSL	hsl(207, 66%, 63%)
HSV	hsv(207, 56%, 87%)
CMYK	cmyk(55.6%, 24.7%, 0%, 12.5%)
CIE-LAB	lab(66.51, -6.13, -34.40)
CIE-LCH	lch(66.51, 34.94, 259.90°)
OKLab	oklab(70.83% -0.0466 -0.0964)
OKLCH	oklch(70.83% 0.107 244.2)
XYZ	xyz(32.4627, 35.9828, 75.0324)
Luminance	0.3599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8DF #DF9A63

analogous

#63DFD8 #63A8DF #636ADF

triadic

#63A8DF #DF63A8 #A8DF63

tetradic

#63A8DF #D863DF #DF9A63 #6ADF63

square

#63A8DF #D863DF #DF9A63 #6ADF63

split-complementary

#63A8DF #DF636A #DFD863

monochromatic

#226BA6 #308CD5 #63A8DF #96C4E9 #C9E1F4

Accessibility & contrast

On white

2.56

#63A8DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#63A8DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8DF

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8DF	#FFFFFF	#000000	##000000
##63A8DF	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A9E2

Deuteranopia (green-blind)

#809CDE

Tritanopia (blue-blind)

#00B5BB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a8df;
/* rgb */ color: rgb(99, 168, 223);
/* oklch */ color: oklch(70.8% 0.107 244.2);

Tailwind

colors: {
  custom: {
    50: '#98c1e9',
    500: '#63a8df',
    950: '#000000',
  },
}

SCSS

$custom: #63a8df;
$custom-light: #98c1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8df",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 223
  },
  "hsl": {
    "h": 206.613,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.70827,
    "c": 0.10706,
    "h": 244.2
  },
  "luminance": 0.35986
}

Semantic roles & 50–950 ramp

primary

#63A8DF

secondary

#E5CCB9

accent

#6818CE

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A8DF

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

Preview Lab → · Contrast checker → · Palette generator →