#63ABBB#63ABBB

#63ABBB is a light, moderate cyan. Relative luminance 0.354; OKLCH L 70.0% C 0.076 H 213.6°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#63ABBB
RGB	rgb(99, 171, 187)
HSL	hsl(191, 39%, 56%)
HSV	hsv(191, 47%, 73%)
CMYK	cmyk(47.1%, 8.6%, 0%, 26.7%)
CIE-LAB	lab(66.03, -18.24, -15.22)
CIE-LCH	lch(66.03, 23.75, 219.84°)
OKLab	oklab(70.01% -0.0631 -0.042)
OKLCH	oklch(70.01% 0.076 213.6)
XYZ	xyz(28.6748, 35.3640, 52.3190)
Luminance	0.3537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ABBB #BB7363

analogous

#63BB9F #63ABBB #637FBB

triadic

#63ABBB #BB63AB #ABBB63

tetradic

#63ABBB #9F63BB #BB7363 #7FBB63

square

#63ABBB #9F63BB #BB7363 #7FBB63

split-complementary

#63ABBB #BB637F #BB9F63

monochromatic

#326672 #448C9D #63ABBB #8EC2CE #B8D9E0

Accessibility & contrast

On white

2.60

#63ABBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#63ABBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABBB

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ABBB	#FFFFFF	#000000	##000000
##63ABBB	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FA6BC

Deuteranopia (green-blind)

#919CBB

Tritanopia (blue-blind)

#36B2B0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63abbb;
/* rgb */ color: rgb(99, 171, 187);
/* oklch */ color: oklch(70.0% 0.076 213.6);

Tailwind

colors: {
  custom: {
    50: '#95c4cf',
    500: '#63abbb',
    950: '#000000',
  },
}

SCSS

$custom: #63abbb;
$custom-light: #95c4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#63abbb",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 187
  },
  "hsl": {
    "h": 190.909,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.70007,
    "c": 0.07578,
    "h": 213.6
  },
  "luminance": 0.35366
}

Semantic roles & 50–950 ramp

primary

#63ABBB

secondary

#CFB1AB

accent

#6E59CF

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63ABBB

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

Preview Lab → · Contrast checker → · Palette generator →