#6399D2#6399D2

#6399D2 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.9% C 0.103 H 250.8°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#6399D2
RGB	rgb(99, 153, 210)
HSL	hsl(211, 55%, 61%)
HSV	hsv(211, 53%, 82%)
CMYK	cmyk(52.9%, 27.1%, 0%, 17.6%)
CIE-LAB	lab(61.73, -1.69, -34.63)
CIE-LCH	lch(61.73, 34.67, 267.21°)
OKLab	oklab(66.88% -0.0338 -0.0971)
OKLCH	oklch(66.88% 0.103 250.8)
XYZ	xyz(28.1656, 30.0860, 65.2832)
Luminance	0.3009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399D2 #D29C63

analogous

#63D0D2 #6399D2 #6463D2

triadic

#6399D2 #D26399 #99D263

tetradic

#6399D2 #D263D0 #D29C63 #63D264

square

#6399D2 #D263D0 #D29C63 #63D264

split-complementary

#6399D2 #D26463 #D0D263

monochromatic

#2A5C91 #377AC0 #6399D2 #92B8E0 #C2D7ED

Accessibility & contrast

On white

2.99

#6399D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#6399D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6399D2

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399D2	#FFFFFF	#000000	##000000
##6399D2	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829BD5

Deuteranopia (green-blind)

#7490D1

Tritanopia (blue-blind)

#23A6AD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #6399d2;
/* rgb */ color: rgb(99, 153, 210);
/* oklch */ color: oklch(66.9% 0.103 250.8);

Tailwind

colors: {
  custom: {
    50: '#96b6e0',
    500: '#6399d2',
    950: '#000000',
  },
}

SCSS

$custom: #6399d2;
$custom-light: #96b6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#6399d2",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 210
  },
  "hsl": {
    "h": 210.811,
    "s": 55.224,
    "l": 60.588
  },
  "oklch": {
    "l": 0.66883,
    "c": 0.10281,
    "h": 250.8
  },
  "luminance": 0.30088
}

Semantic roles & 50–950 ramp

primary

#6399D2

secondary

#DEC9B3

accent

#7523C3

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #6399D2

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

Preview Lab → · Contrast checker → · Palette generator →