#63ADE8#63ADE8

#63ADE8 is a light, moderate cyan. Relative luminance 0.384; OKLCH L 72.4% C 0.114 H 244.4°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#63ADE8
RGB	rgb(99, 173, 232)
HSL	hsl(207, 74%, 65%)
HSV	hsv(207, 57%, 91%)
CMYK	cmyk(57.3%, 25.4%, 0%, 9%)
CIE-LAB	lab(68.29, -6.13, -36.57)
CIE-LCH	lch(68.29, 37.08, 260.49°)
OKLab	oklab(72.36% -0.0492 -0.1026)
OKLCH	oklch(72.36% 0.114 244.4)
XYZ	xyz(34.6493, 38.3629, 81.9071)
Luminance	0.3837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADE8 #E89E63

analogous

#63E8E1 #63ADE8 #636AE8

triadic

#63ADE8 #E863AD #ADE863

tetradic

#63ADE8 #E163E8 #E89E63 #6AE863

square

#63ADE8 #E163E8 #E89E63 #6AE863

split-complementary

#63ADE8 #E8636A #E8E163

monochromatic

#1B71B6 #2E91E0 #63ADE8 #98C9F0 #CEE5F8

Accessibility & contrast

On white

2.42

#63ADE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#63ADE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADE8

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADE8	#FFFFFF	#000000	##000000
##63ADE8	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93AEEB

Deuteranopia (green-blind)

#82A1E7

Tritanopia (blue-blind)

#00BBC1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ade8;
/* rgb */ color: rgb(99, 173, 232);
/* oklch */ color: oklch(72.4% 0.114 244.4);

Tailwind

colors: {
  custom: {
    50: '#99c5ef',
    500: '#63ade8',
    950: '#000000',
  },
}

SCSS

$custom: #63ade8;
$custom-light: #99c5ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63ade8",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 232
  },
  "hsl": {
    "h": 206.617,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.72355,
    "c": 0.1138,
    "h": 244.4
  },
  "luminance": 0.38366
}

Semantic roles & 50–950 ramp

primary

#63ADE8

secondary

#EAD1BD

accent

#680FD6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ADE8

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

Preview Lab → · Contrast checker → · Palette generator →