#6599DC#6599DC

#6599DC is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.5% C 0.114 H 255.3°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#6599DC
RGB	rgb(101, 153, 220)
HSL	hsl(214, 63%, 63%)
HSV	hsv(214, 54%, 86%)
CMYK	cmyk(54.1%, 30.5%, 0%, 13.7%)
CIE-LAB	lab(62.27, 1.83, -39.35)
CIE-LCH	lch(62.27, 39.39, 272.67°)
OKLab	oklab(67.47% -0.0291 -0.1107)
OKLCH	oklch(67.47% 0.114 255.3)
XYZ	xyz(29.6718, 30.7141, 72.0611)
Luminance	0.3072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6599DC #DCA865

analogous

#65D4DC #6599DC #6D65DC

triadic

#6599DC #DC6599 #99DC65

tetradic

#6599DC #DC65D4 #DCA865 #65DC6D

square

#6599DC #DC65D4 #DCA865 #65DC6D

split-complementary

#6599DC #DC6D65 #D4DC65

monochromatic

#255BA2 #3378D1 #6599DC #97BAE7 #C9DBF3

Accessibility & contrast

On white

2.94

#6599DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#6599DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6599DC

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6599DC	#FFFFFF	#000000	##000000
##6599DC	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9DDF

Deuteranopia (green-blind)

#6F91DB

Tritanopia (blue-blind)

#1BA8B1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #6599dc;
/* rgb */ color: rgb(101, 153, 220);
/* oklch */ color: oklch(67.5% 0.114 255.3);

Tailwind

colors: {
  custom: {
    50: '#98b6e7',
    500: '#6599dc',
    950: '#000000',
  },
}

SCSS

$custom: #6599dc;
$custom-light: #98b6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6599dc",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 220
  },
  "hsl": {
    "h": 213.782,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.67475,
    "c": 0.11449,
    "h": 255.3
  },
  "luminance": 0.30716
}

Semantic roles & 50–950 ramp

primary

#6599DC

secondary

#E4D1B9

accent

#7E1BCB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #6599DC

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

Preview Lab → · Contrast checker → · Palette generator →