#63C7EB#63C7EB

#63C7EB is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.3% C 0.106 H 224.3°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#63C7EB
RGB	rgb(99, 199, 235)
HSL	hsl(196, 77%, 65%)
HSV	hsv(196, 58%, 92%)
CMYK	cmyk(57.9%, 15.3%, 0%, 7.8%)
CIE-LAB	lab(75.76, -19.08, -26.67)
CIE-LCH	lch(75.76, 32.79, 234.42°)
OKLab	oklab(78.33% -0.0761 -0.0742)
OKLCH	oklch(78.33% 0.106 224.3)
XYZ	xyz(40.5586, 49.4938, 85.9970)
Luminance	0.4950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7EB #EB8763

analogous

#63EBCB #63C7EB #6383EB

triadic

#63C7EB #EB63C7 #C7EB63

tetradic

#63C7EB #CB63EB #EB8763 #83EB63

square

#63C7EB #CB63EB #EB8763 #83EB63

split-complementary

#63C7EB #EB6383 #EBCB63

monochromatic

#1890BC #2DB4E4 #63C7EB #99DAF2 #CFEEF9

Accessibility & contrast

On white

1.93

#63C7EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#63C7EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7EB

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7EB	#FFFFFF	#000000	##000000
##63C7EB	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C3ED

Deuteranopia (green-blind)

#9FB4EB

Tritanopia (blue-blind)

#00D2D2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c7eb;
/* rgb */ color: rgb(99, 199, 235);
/* oklch */ color: oklch(78.3% 0.106 224.3);

Tailwind

colors: {
  custom: {
    50: '#9ad8f1',
    500: '#63c7eb',
    950: '#000000',
  },
}

SCSS

$custom: #63c7eb;
$custom-light: #9ad8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7eb",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 235
  },
  "hsl": {
    "h": 195.882,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.78327,
    "c": 0.10627,
    "h": 224.3
  },
  "luminance": 0.49498
}

Semantic roles & 50–950 ramp

primary

#63C7EB

secondary

#ECCABE

accent

#420CDA

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C7EB

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

Preview Lab → · Contrast checker → · Palette generator →