#63AACC#63AACC

#63AACC is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.4% C 0.087 H 230.5°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#63AACC
RGB	rgb(99, 170, 204)
HSL	hsl(199, 51%, 59%)
HSV	hsv(199, 51%, 80%)
CMYK	cmyk(51.5%, 16.7%, 0%, 20%)
CIE-LAB	lab(66.34, -12.90, -24.18)
CIE-LCH	lch(66.34, 27.41, 241.93°)
OKLab	oklab(70.45% -0.0554 -0.0672)
OKLCH	oklch(70.45% 0.087 230.5)
XYZ	xyz(30.4154, 35.7592, 62.4144)
Luminance	0.3576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AACC #CC8563

analogous

#63CCBA #63AACC #6375CC

triadic

#63AACC #CC63AA #AACC63

tetradic

#63AACC #BA63CC #CC8563 #75CC63

square

#63AACC #BA63CC #CC8563 #75CC63

split-complementary

#63AACC #CC6375 #CCBA63

monochromatic

#2C6A88 #3C8FB6 #63AACC #91C3DB #BFDCEA

Accessibility & contrast

On white

2.58

#63AACC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#63AACC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AACC

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AACC	#FFFFFF	#000000	##000000
##63AACC	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A8CE

Deuteranopia (green-blind)

#8A9CCC

Tritanopia (blue-blind)

#24B3B5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63aacc;
/* rgb */ color: rgb(99, 170, 204);
/* oklch */ color: oklch(70.4% 0.087 230.5);

Tailwind

colors: {
  custom: {
    50: '#96c3db',
    500: '#63aacc',
    950: '#000000',
  },
}

SCSS

$custom: #63aacc;
$custom-light: #96c3db;
$custom-dark: #000000;

JSON

{
  "hex": "#63aacc",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 204
  },
  "hsl": {
    "h": 199.429,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.70446,
    "c": 0.08707,
    "h": 230.5
  },
  "luminance": 0.35762
}

Semantic roles & 50–950 ramp

primary

#63AACC

secondary

#DABEB1

accent

#7B4EDA

background

#F9FBFD

surface

#F2F7FB

border

#CCD0D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63AACC

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

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