#6699C8#6699C8

#6699C8 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.6% C 0.089 H 247.3°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#6699C8
RGB	rgb(102, 153, 200)
HSL	hsl(209, 47%, 59%)
HSV	hsv(209, 49%, 78%)
CMYK	cmyk(49%, 23.5%, 0%, 21.6%)
CIE-LAB	lab(61.46, -4.01, -29.45)
CIE-LCH	lch(61.46, 29.72, 262.24°)
OKLab	oklab(66.57% -0.0343 -0.0821)
OKLCH	oklch(66.57% 0.089 247.3)
XYZ	xyz(27.2924, 29.7754, 58.9414)
Luminance	0.2978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6699C8 #C89566

analogous

#66C8C6 #6699C8 #6668C8

triadic

#6699C8 #C86699 #99C866

tetradic

#6699C8 #C666C8 #C89566 #68C866

square

#6699C8 #C666C8 #C89566 #68C866

split-complementary

#6699C8 #C86668 #C8C666

monochromatic

#2F5C84 #407BB1 #6699C8 #93B7D8 #C0D5E8

Accessibility & contrast

On white

3.02

#6699C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#6699C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6699C8

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6699C8	#FFFFFF	#000000	##000000
##6699C8	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869ACA

Deuteranopia (green-blind)

#7990C7

Tritanopia (blue-blind)

#38A4A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6699c8;
/* rgb */ color: rgb(102, 153, 200);
/* oklch */ color: oklch(66.6% 0.089 247.3);

Tailwind

colors: {
  custom: {
    50: '#97b6d9',
    500: '#6699c8',
    950: '#000000',
  },
}

SCSS

$custom: #6699c8;
$custom-light: #97b6d9;
$custom-dark: #000000;

JSON

{
  "hex": "#6699c8",
  "rgb": {
    "r": 102,
    "g": 153,
    "b": 200
  },
  "hsl": {
    "h": 208.776,
    "s": 47.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66574,
    "c": 0.08903,
    "h": 247.3
  },
  "luminance": 0.29777
}

Semantic roles & 50–950 ramp

primary

#6699C8

secondary

#D8C4B2

accent

#9151D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #6699C8

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

Preview Lab → · Contrast checker → · Palette generator →