#63B7DE#63B7DE

#63B7DE is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.2% C 0.099 H 230.2°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#63B7DE
RGB	rgb(99, 183, 222)
HSL	hsl(199, 65%, 63%)
HSV	hsv(199, 55%, 87%)
CMYK	cmyk(55.4%, 17.6%, 0%, 12.9%)
CIE-LAB	lab(70.73, -14.56, -27.34)
CIE-LCH	lch(70.73, 30.97, 241.97°)
OKLab	oklab(74.16% -0.0635 -0.0761)
OKLCH	oklch(74.16% 0.099 230.2)
XYZ	xyz(35.2589, 41.7904, 75.3013)
Luminance	0.4179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7DE #DE8A63

analogous

#63DEC7 #63B7DE #637ADE

triadic

#63B7DE #DE63B7 #B7DE63

tetradic

#63B7DE #C763DE #DE8A63 #7ADE63

square

#63B7DE #C763DE #DE8A63 #7ADE63

split-complementary

#63B7DE #DE637A #DEC763

monochromatic

#237BA4 #30A0D3 #63B7DE #96CEE9 #C8E6F3

Accessibility & contrast

On white

2.24

#63B7DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#63B7DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7DE

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7DE	#FFFFFF	#000000	##000000
##63B7DE	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B4E0

Deuteranopia (green-blind)

#92A7DD

Tritanopia (blue-blind)

#00C2C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #63b7de;
/* rgb */ color: rgb(99, 183, 222);
/* oklch */ color: oklch(74.2% 0.099 230.2);

Tailwind

colors: {
  custom: {
    50: '#98cce8',
    500: '#63b7de',
    950: '#000000',
  },
}

SCSS

$custom: #63b7de;
$custom-light: #98cce8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7de",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 222
  },
  "hsl": {
    "h": 199.024,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.74159,
    "c": 0.09914,
    "h": 230.2
  },
  "luminance": 0.41794
}

Semantic roles & 50–950 ramp

primary

#63B7DE

secondary

#E5C6B8

accent

#5219CD

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B7DE

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

Preview Lab → · Contrast checker → · Palette generator →