#6599C8#6599C8

#6599C8 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.5% C 0.090 H 246.9°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#6599C8
RGB	rgb(101, 153, 200)
HSL	hsl(208, 47%, 59%)
HSV	hsv(208, 50%, 78%)
CMYK	cmyk(49.5%, 23.5%, 0%, 21.6%)
CIE-LAB	lab(61.41, -4.25, -29.53)
CIE-LCH	lch(61.41, 29.83, 261.81°)
OKLab	oklab(66.52% -0.0352 -0.0824)
OKLCH	oklch(66.52% 0.09 246.9)
XYZ	xyz(27.1798, 29.7173, 58.9361)
Luminance	0.2972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6599C8 #C89465

analogous

#65C8C6 #6599C8 #6568C8

triadic

#6599C8 #C86599 #99C865

tetradic

#6599C8 #C665C8 #C89465 #68C865

square

#6599C8 #C665C8 #C89465 #68C865

split-complementary

#6599C8 #C86568 #C8C665

monochromatic

#2F5B84 #3F7BB1 #6599C8 #92B7D8 #BFD5E8

Accessibility & contrast

On white

3.02

#6599C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#6599C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6599C8

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6599C8	#FFFFFF	#000000	##000000
##6599C8	1.00	3.02	6.94	6.94
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869ACA

Deuteranopia (green-blind)

#7990C7

Tritanopia (blue-blind)

#35A4A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6599c8;
/* rgb */ color: rgb(101, 153, 200);
/* oklch */ color: oklch(66.5% 0.090 246.9);

Tailwind

colors: {
  custom: {
    50: '#96b6d9',
    500: '#6599c8',
    950: '#000000',
  },
}

SCSS

$custom: #6599c8;
$custom-light: #96b6d9;
$custom-dark: #000000;

JSON

{
  "hex": "#6599c8",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 200
  },
  "hsl": {
    "h": 208.485,
    "s": 47.368,
    "l": 59.02
  },
  "oklch": {
    "l": 0.66521,
    "c": 0.08961,
    "h": 246.9
  },
  "luminance": 0.29719
}

Semantic roles & 50–950 ramp

primary

#6599C8

secondary

#D8C3B1

accent

#9151D7

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #6599C8

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

Preview Lab → · Contrast checker → · Palette generator →