#63A1CB#63A1CB

#63A1CB is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.4% C 0.089 H 239.5°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#63A1CB
RGB	rgb(99, 161, 203)
HSL	hsl(204, 50%, 59%)
HSV	hsv(204, 51%, 80%)
CMYK	cmyk(51.2%, 20.7%, 0%, 20.4%)
CIE-LAB	lab(63.71, -8.29, -27.65)
CIE-LCH	lch(63.71, 28.87, 253.32°)
OKLab	oklab(68.36% -0.0453 -0.077)
OKLCH	oklch(68.36% 0.089 239.5)
XYZ	xyz(28.6661, 32.4519, 61.2416)
Luminance	0.3245 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A1CB #CB8D63

analogous

#63CBC1 #63A1CB #636DCB

triadic

#63A1CB #CB63A1 #A1CB63

tetradic

#63A1CB #C163CB #CB8D63 #6DCB63

square

#63A1CB #C163CB #CB8D63 #6DCB63

split-complementary

#63A1CB #CB636D #CBC163

monochromatic

#2D6287 #3C84B5 #63A1CB #91BDDA #BFD8EA

Accessibility & contrast

On white

2.80

#63A1CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#63A1CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1CB

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A1CB	#FFFFFF	#000000	##000000
##63A1CB	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CD

Deuteranopia (green-blind)

#8096CA

Tritanopia (blue-blind)

#29ACAF

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #63a1cb;
/* rgb */ color: rgb(99, 161, 203);
/* oklch */ color: oklch(68.4% 0.089 239.5);

Tailwind

colors: {
  custom: {
    50: '#96bcdb',
    500: '#63a1cb',
    950: '#000000',
  },
}

SCSS

$custom: #63a1cb;
$custom-light: #96bcdb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a1cb",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 203
  },
  "hsl": {
    "h": 204.231,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.68355,
    "c": 0.0894,
    "h": 239.5
  },
  "luminance": 0.32454
}

Semantic roles & 50–950 ramp

primary

#63A1CB

secondary

#D9C1B1

accent

#874EDA

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63A1CB

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

Preview Lab → · Contrast checker → · Palette generator →