#63A3CB#63A3CB

#63A3CB is a light, moderate cyan. Relative luminance 0.332; OKLCH L 68.8% C 0.088 H 237.4°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#63A3CB
RGB	rgb(99, 163, 203)
HSL	hsl(203, 50%, 59%)
HSV	hsv(203, 51%, 80%)
CMYK	cmyk(51.2%, 19.7%, 0%, 20.4%)
CIE-LAB	lab(64.29, -9.39, -26.77)
CIE-LCH	lch(64.29, 28.37, 250.67°)
OKLab	oklab(68.81% -0.0477 -0.0745)
OKLCH	oklch(68.81% 0.088 237.4)
XYZ	xyz(29.0184, 33.1565, 61.3590)
Luminance	0.3316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3CB #CB8B63

analogous

#63CBBF #63A3CB #636FCB

triadic

#63A3CB #CB63A3 #A3CB63

tetradic

#63A3CB #BF63CB #CB8B63 #6FCB63

square

#63A3CB #BF63CB #CB8B63 #6FCB63

split-complementary

#63A3CB #CB636F #CBBF63

monochromatic

#2D6487 #3C86B5 #63A3CB #91BEDA #BFD9EA

Accessibility & contrast

On white

2.75

#63A3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#63A3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3CB

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3CB	#FFFFFF	#000000	##000000
##63A3CB	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A2CD

Deuteranopia (green-blind)

#8297CA

Tritanopia (blue-blind)

#29ADB0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #63a3cb;
/* rgb */ color: rgb(99, 163, 203);
/* oklch */ color: oklch(68.8% 0.088 237.4);

Tailwind

colors: {
  custom: {
    50: '#96bedb',
    500: '#63a3cb',
    950: '#000000',
  },
}

SCSS

$custom: #63a3cb;
$custom-light: #96bedb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3cb",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 203
  },
  "hsl": {
    "h": 203.077,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.68809,
    "c": 0.08847,
    "h": 237.4
  },
  "luminance": 0.33159
}

Semantic roles & 50–950 ramp

primary

#63A3CB

secondary

#D9C0B1

accent

#844EDA

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #63A3CB

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

Preview Lab → · Contrast checker → · Palette generator →