#63A5FD#63A5FD

#63A5FD is a light, vivid cyan. Relative luminance 0.367; OKLCH L 71.7% C 0.146 H 256.1°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#63A5FD
RGB	rgb(99, 165, 253)
HSL	hsl(214, 97%, 69%)
HSV	hsv(214, 61%, 99%)
CMYK	cmyk(60.9%, 34.8%, 0%, 0.8%)
CIE-LAB	lab(67.01, 5.02, -50.02)
CIE-LCH	lch(67.01, 50.27, 275.74°)
OKLab	oklab(71.67% -0.0349 -0.1417)
OKLCH	oklch(71.67% 0.146 256.1)
XYZ	xyz(36.3240, 36.6514, 98.0696)
Luminance	0.3665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5FD #FDBB63

analogous

#63F2FD #63A5FD #6E63FD

triadic

#63A5FD #FD63A5 #A5FD63

tetradic

#63A5FD #FD63F2 #FDBB63 #63FD6E

square

#63A5FD #FD63F2 #FDBB63 #63FD6E

split-complementary

#63A5FD #FD6E63 #F2FD63

monochromatic

#0363E3 #2782FC #63A5FD #9FC8FE #DCEBFF

Accessibility & contrast

On white

2.52

#63A5FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#63A5FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5FD

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5FD	#FFFFFF	#000000	##000000
##63A5FD	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FABFF

Deuteranopia (green-blind)

#6B9CFB

Tritanopia (blue-blind)

#00B9C5

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a5fd;
/* rgb */ color: rgb(99, 165, 253);
/* oklch */ color: oklch(71.7% 0.146 256.1);

Tailwind

colors: {
  custom: {
    50: '#9bbffe',
    500: '#63a5fd',
    950: '#000000',
  },
}

SCSS

$custom: #63a5fd;
$custom-light: #9bbffe;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5fd",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 253
  },
  "hsl": {
    "h": 214.286,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.71666,
    "c": 0.14596,
    "h": 256.1
  },
  "luminance": 0.36655
}

Semantic roles & 50–950 ramp

primary

#63A5FD

secondary

#F4E1C7

accent

#8300E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63A5FD

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

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