#63B8DA#63B8DA

#63B8DA is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.2% C 0.096 H 226.4°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#63B8DA
RGB	rgb(99, 184, 218)
HSL	hsl(197, 62%, 62%)
HSV	hsv(197, 55%, 85%)
CMYK	cmyk(54.6%, 15.6%, 0%, 14.5%)
CIE-LAB	lab(70.87, -16.26, -24.94)
CIE-LCH	lch(70.87, 29.77, 236.90°)
OKLab	oklab(74.22% -0.0661 -0.0693)
OKLCH	oklch(74.22% 0.096 226.4)
XYZ	xyz(34.9361, 41.9924, 72.5803)
Luminance	0.4200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B8DA #DA8563

analogous

#63DAC1 #63B8DA #637DDA

triadic

#63B8DA #DA63B8 #B8DA63

tetradic

#63B8DA #C163DA #DA8563 #7DDA63

square

#63B8DA #C163DA #DA8563 #7DDA63

split-complementary

#63B8DA #DA637D #DAC163

monochromatic

#257B9D #32A1CE #63B8DA #94CFE6 #C6E5F1

Accessibility & contrast

On white

2.23

#63B8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#63B8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B8DA

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B8DA	#FFFFFF	#000000	##000000
##63B8DA	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B5DC

Deuteranopia (green-blind)

#95A8DA

Tritanopia (blue-blind)

#00C2C3

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #63b8da;
/* rgb */ color: rgb(99, 184, 218);
/* oklch */ color: oklch(74.2% 0.096 226.4);

Tailwind

colors: {
  custom: {
    50: '#98cde5',
    500: '#63b8da',
    950: '#000000',
  },
}

SCSS

$custom: #63b8da;
$custom-light: #98cde5;
$custom-dark: #000000;

JSON

{
  "hex": "#63b8da",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 218
  },
  "hsl": {
    "h": 197.143,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.74222,
    "c": 0.09576,
    "h": 226.4
  },
  "luminance": 0.41996
}

Semantic roles & 50–950 ramp

primary

#63B8DA

secondary

#E2C3B7

accent

#4E1CC9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #63B8DA

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

Preview Lab → · Contrast checker → · Palette generator →