#63A6BB#63A6BB

#63A6BB is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.8% C 0.075 H 220.1°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#63A6BB
RGB	rgb(99, 166, 187)
HSL	hsl(194, 39%, 56%)
HSV	hsv(194, 47%, 73%)
CMYK	cmyk(47.1%, 11.2%, 0%, 26.7%)
CIE-LAB	lab(64.57, -15.60, -17.42)
CIE-LCH	lch(64.57, 23.39, 228.15°)
OKLab	oklab(68.84% -0.0571 -0.0481)
OKLCH	oklch(68.84% 0.075 220.1)
XYZ	xyz(27.7481, 33.5108, 52.0101)
Luminance	0.3351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A6BB #BB7863

analogous

#63BBA4 #63A6BB #637ABB

triadic

#63A6BB #BB63A6 #A6BB63

tetradic

#63A6BB #A463BB #BB7863 #7ABB63

square

#63A6BB #A463BB #BB7863 #7ABB63

split-complementary

#63A6BB #BB637A #BBA463

monochromatic

#326372 #44879D #63A6BB #8EBECE #B8D7E0

Accessibility & contrast

On white

2.73

#63A6BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#63A6BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6BB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A6BB	#FFFFFF	#000000	##000000
##63A6BB	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A2BC

Deuteranopia (green-blind)

#8C98BB

Tritanopia (blue-blind)

#37ADAD

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63a6bb;
/* rgb */ color: rgb(99, 166, 187);
/* oklch */ color: oklch(68.8% 0.075 220.1);

Tailwind

colors: {
  custom: {
    50: '#95c0cf',
    500: '#63a6bb',
    950: '#000000',
  },
}

SCSS

$custom: #63a6bb;
$custom-light: #95c0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#63a6bb",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 187
  },
  "hsl": {
    "h": 194.318,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.68842,
    "c": 0.0747,
    "h": 220.1
  },
  "luminance": 0.33513
}

Semantic roles & 50–950 ramp

primary

#63A6BB

secondary

#CFB3AB

accent

#7559CF

background

#F9FBFC

surface

#F2F7F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63A6BB

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

Preview Lab → · Contrast checker → · Palette generator →