#63AFFD#63AFFD

#63AFFD is a light, vivid cyan. Relative luminance 0.404; OKLCH L 73.8% C 0.137 H 250.7°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#63AFFD
RGB	rgb(99, 175, 253)
HSL	hsl(210, 97%, 69%)
HSV	hsv(210, 61%, 99%)
CMYK	cmyk(60.9%, 30.8%, 0%, 0.8%)
CIE-LAB	lab(69.75, -0.65, -45.70)
CIE-LCH	lch(69.75, 45.71, 269.19°)
OKLab	oklab(73.81% -0.0451 -0.129)
OKLCH	oklch(73.81% 0.137 250.7)
XYZ	xyz(38.1987, 40.4008, 98.6946)
Luminance	0.4040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFFD #FDB163

analogous

#63FCFD #63AFFD #6463FD

triadic

#63AFFD #FD63AF #AFFD63

tetradic

#63AFFD #FD63FC #FDB163 #63FD64

square

#63AFFD #FD63FC #FDB163 #63FD64

split-complementary

#63AFFD #FD6463 #FCFD63

monochromatic

#0371E3 #2790FC #63AFFD #9FCEFE #DCEDFF

Accessibility & contrast

On white

2.31

#63AFFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#63AFFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFFD

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFFD	#FFFFFF	#000000	##000000
##63AFFD	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EB3FF

Deuteranopia (green-blind)

#79A4FB

Tritanopia (blue-blind)

#00C1CB

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63affd;
/* rgb */ color: rgb(99, 175, 253);
/* oklch */ color: oklch(73.8% 0.137 250.7);

Tailwind

colors: {
  custom: {
    50: '#9cc6fe',
    500: '#63affd',
    950: '#000000',
  },
}

SCSS

$custom: #63affd;
$custom-light: #9cc6fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63affd",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 253
  },
  "hsl": {
    "h": 210.39,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.7381,
    "c": 0.13671,
    "h": 250.7
  },
  "luminance": 0.40404
}

Semantic roles & 50–950 ramp

primary

#63AFFD

secondary

#F4DEC7

accent

#7400E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #63AFFD

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

Preview Lab → · Contrast checker → · Palette generator →