#63A5BB#63A5BB

#63A5BB is a light, moderate cyan. Relative luminance 0.332; OKLCH L 68.6% C 0.075 H 221.4°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#63A5BB
RGB	rgb(99, 165, 187)
HSL	hsl(195, 39%, 56%)
HSV	hsv(195, 47%, 73%)
CMYK	cmyk(47.1%, 11.8%, 0%, 26.7%)
CIE-LAB	lab(64.28, -15.07, -17.86)
CIE-LCH	lch(64.28, 23.37, 229.85°)
OKLab	oklab(68.61% -0.0559 -0.0493)
OKLCH	oklch(68.61% 0.075 221.4)
XYZ	xyz(27.5671, 33.1486, 51.9497)
Luminance	0.3315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5BB #BB7963

analogous

#63BBA5 #63A5BB #6379BB

triadic

#63A5BB #BB63A5 #A5BB63

tetradic

#63A5BB #A563BB #BB7963 #79BB63

square

#63A5BB #A563BB #BB7963 #79BB63

split-complementary

#63A5BB #BB6379 #BBA563

monochromatic

#326272 #44869D #63A5BB #8EBECE #B8D6E0

Accessibility & contrast

On white

2.75

#63A5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#63A5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5BB

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5BB	#FFFFFF	#000000	##000000
##63A5BB	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)

#98A2BC

Deuteranopia (green-blind)

#8B97BB

Tritanopia (blue-blind)

#38ACAC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #63a5bb;
/* rgb */ color: rgb(99, 165, 187);
/* oklch */ color: oklch(68.6% 0.075 221.4);

Tailwind

colors: {
  custom: {
    50: '#94bfcf',
    500: '#63a5bb',
    950: '#000000',
  },
}

SCSS

$custom: #63a5bb;
$custom-light: #94bfcf;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5bb",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 187
  },
  "hsl": {
    "h": 195,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.6861,
    "c": 0.0746,
    "h": 221.4
  },
  "luminance": 0.33151
}

Semantic roles & 50–950 ramp

primary

#63A5BB

secondary

#CFB4AB

accent

#7659CF

background

#F9FBFC

surface

#F2F7F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63A5BB

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

Preview Lab → · Contrast checker → · Palette generator →