#63ABDD#63ABDD

#63ABDD is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.4% C 0.103 H 240.6°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#63ABDD
RGB	rgb(99, 171, 221)
HSL	hsl(205, 64%, 63%)
HSV	hsv(205, 55%, 87%)
CMYK	cmyk(55.2%, 22.6%, 0%, 13.3%)
CIE-LAB	lab(67.27, -8.39, -32.11)
CIE-LCH	lch(67.27, 33.19, 255.36°)
OKLab	oklab(71.41% -0.0506 -0.0898)
OKLCH	oklch(71.41% 0.103 240.6)
XYZ	xyz(32.7549, 36.9961, 73.8074)
Luminance	0.3700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ABDD #DD9563

analogous

#63DDD2 #63ABDD #636EDD

triadic

#63ABDD #DD63AB #ABDD63

tetradic

#63ABDD #D263DD #DD9563 #6EDD63

square

#63ABDD #D263DD #DD9563 #6EDD63

split-complementary

#63ABDD #DD636E #DDD263

monochromatic

#236EA2 #3190D2 #63ABDD #95C6E8 #C7E1F3

Accessibility & contrast

On white

2.50

#63ABDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#63ABDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABDD

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ABDD	#FFFFFF	#000000	##000000
##63ABDD	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95ABDF

Deuteranopia (green-blind)

#849EDC

Tritanopia (blue-blind)

#00B7BC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63abdd;
/* rgb */ color: rgb(99, 171, 221);
/* oklch */ color: oklch(71.4% 0.103 240.6);

Tailwind

colors: {
  custom: {
    50: '#98c3e7',
    500: '#63abdd',
    950: '#000000',
  },
}

SCSS

$custom: #63abdd;
$custom-light: #98c3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63abdd",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 221
  },
  "hsl": {
    "h": 204.59,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.71407,
    "c": 0.10307,
    "h": 240.6
  },
  "luminance": 0.36999
}

Semantic roles & 50–950 ramp

primary

#63ABDD

secondary

#E4CAB8

accent

#6319CC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63ABDD

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

Preview Lab → · Contrast checker → · Palette generator →