#63A7DB#63A7DB

#63A7DB is a light, moderate cyan. Relative luminance 0.354; OKLCH L 70.4% C 0.103 H 243.0°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#63A7DB
RGB	rgb(99, 167, 219)
HSL	hsl(206, 63%, 62%)
HSV	hsv(206, 55%, 86%)
CMYK	cmyk(54.8%, 23.7%, 0%, 14.1%)
CIE-LAB	lab(66.06, -6.80, -32.89)
CIE-LCH	lch(66.06, 33.59, 258.33°)
OKLab	oklab(70.42% -0.0468 -0.092)
OKLCH	oklch(70.42% 0.103 243)
XYZ	xyz(31.7458, 35.4018, 72.1644)
Luminance	0.3540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7DB #DB9763

analogous

#63DBD3 #63A7DB #636BDB

triadic

#63A7DB #DB63A7 #A7DB63

tetradic

#63A7DB #D363DB #DB9763 #6BDB63

square

#63A7DB #D363DB #DB9763 #6BDB63

split-complementary

#63A7DB #DB636B #DBD363

monochromatic

#256A9F #318BD0 #63A7DB #95C3E6 #C6DFF2

Accessibility & contrast

On white

2.60

#63A7DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#63A7DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7DB

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7DB	#FFFFFF	#000000	##000000
##63A7DB	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A7DD

Deuteranopia (green-blind)

#809BDA

Tritanopia (blue-blind)

#01B4B9

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a7db;
/* rgb */ color: rgb(99, 167, 219);
/* oklch */ color: oklch(70.4% 0.103 243.0);

Tailwind

colors: {
  custom: {
    50: '#97c1e6',
    500: '#63a7db',
    950: '#000000',
  },
}

SCSS

$custom: #63a7db;
$custom-light: #97c1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7db",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 219
  },
  "hsl": {
    "h": 206,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.7042,
    "c": 0.10326,
    "h": 243
  },
  "luminance": 0.35405
}

Semantic roles & 50–950 ramp

primary

#63A7DB

secondary

#E3CAB7

accent

#671BCA

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A7DB

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

Preview Lab → · Contrast checker → · Palette generator →