#63A5F1#63A5F1

#63A5F1 is a light, vivid cyan. Relative luminance 0.359; OKLCH L 71.0% C 0.131 H 253.1°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#63A5F1
RGB	rgb(99, 165, 241)
HSL	hsl(212, 84%, 67%)
HSV	hsv(212, 59%, 95%)
CMYK	cmyk(58.9%, 31.5%, 0%, 5.5%)
CIE-LAB	lab(66.45, 1.18, -44.36)
CIE-LCH	lch(66.45, 44.38, 271.52°)
OKLab	oklab(71.04% -0.038 -0.1252)
OKLCH	oklch(71.04% 0.131 253.1)
XYZ	xyz(34.4722, 35.9107, 88.3169)
Luminance	0.3591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5F1 #F1AF63

analogous

#63ECF1 #63A5F1 #6863F1

triadic

#63A5F1 #F163A5 #A5F163

tetradic

#63A5F1 #F163EC #F1AF63 #63F168

square

#63A5F1 #F163EC #F1AF63 #63F168

split-complementary

#63A5F1 #F16863 #ECF163

monochromatic

#1266C8 #2B85EC #63A5F1 #9BC5F6 #D3E6FB

Accessibility & contrast

On white

2.57

#63A5F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#63A5F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5F1

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5F1	#FFFFFF	#000000	##000000
##63A5F1	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A9F4

Deuteranopia (green-blind)

#729BEF

Tritanopia (blue-blind)

#00B6C0

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a5f1;
/* rgb */ color: rgb(99, 165, 241);
/* oklch */ color: oklch(71.0% 0.131 253.1);

Tailwind

colors: {
  custom: {
    50: '#9abff6',
    500: '#63a5f1',
    950: '#000000',
  },
}

SCSS

$custom: #63a5f1;
$custom-light: #9abff6;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5f1",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 241
  },
  "hsl": {
    "h": 212.113,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.71041,
    "c": 0.13087,
    "h": 253.1
  },
  "luminance": 0.35914
}

Semantic roles & 50–950 ramp

primary

#63A5F1

secondary

#EFDAC1

accent

#7A06E0

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A5F1

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

Preview Lab → · Contrast checker → · Palette generator →