#63A3E3#63A3E3

#63A3E3 is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.9% C 0.115 H 249.8°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#63A3E3
RGB	rgb(99, 163, 227)
HSL	hsl(210, 70%, 64%)
HSV	hsv(210, 56%, 89%)
CMYK	cmyk(56.4%, 28.2%, 0%, 11%)
CIE-LAB	lab(65.27, -2.10, -38.53)
CIE-LCH	lch(65.27, 38.59, 266.88°)
OKLab	oklab(69.91% -0.0399 -0.1083)
OKLCH	oklch(69.91% 0.115 249.8)
XYZ	xyz(32.1029, 34.3903, 77.6044)
Luminance	0.3439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3E3 #E3A363

analogous

#63E3E3 #63A3E3 #6363E3

triadic

#63A3E3 #E363A3 #A3E363

tetradic

#63A3E3 #E363E3 #E3A363 #63E363

square

#63A3E3 #E363E3 #E3A363 #63E363

split-complementary

#63A3E3 #E36363 #E3E363

monochromatic

#1F66AD #2F84DA #63A3E3 #97C2EC #CBE0F6

Accessibility & contrast

On white

2.67

#63A3E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#63A3E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3E3

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3E3	#FFFFFF	#000000	##000000
##63A3E3	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A5E6

Deuteranopia (green-blind)

#7799E2

Tritanopia (blue-blind)

#00B2B9

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63a3e3;
/* rgb */ color: rgb(99, 163, 227);
/* oklch */ color: oklch(69.9% 0.115 249.8);

Tailwind

colors: {
  custom: {
    50: '#98beec',
    500: '#63a3e3',
    950: '#000000',
  },
}

SCSS

$custom: #63a3e3;
$custom-light: #98beec;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3e3",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 227
  },
  "hsl": {
    "h": 210,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.69909,
    "c": 0.11542,
    "h": 249.8
  },
  "luminance": 0.34393
}

Semantic roles & 50–950 ramp

primary

#63A3E3

secondary

#E7D1BA

accent

#7314D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A3E3

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

Preview Lab → · Contrast checker → · Palette generator →