#6399D7#6399D7

#6399D7 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 67.1% C 0.109 H 252.8°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#6399D7
RGB	rgb(99, 153, 215)
HSL	hsl(212, 59%, 62%)
HSV	hsv(212, 54%, 84%)
CMYK	cmyk(54%, 28.8%, 0%, 15.7%)
CIE-LAB	lab(61.95, -0.15, -37.08)
CIE-LCH	lch(61.95, 37.08, 269.77°)
OKLab	oklab(67.13% -0.0323 -0.1042)
OKLCH	oklch(67.13% 0.109 252.8)
XYZ	xyz(28.7983, 30.3391, 68.6153)
Luminance	0.3034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399D7 #D7A163

analogous

#63D3D7 #6399D7 #6763D7

triadic

#6399D7 #D76399 #99D763

tetradic

#6399D7 #D763D3 #D7A163 #63D767

square

#6399D7 #D763D3 #D7A163 #63D767

split-complementary

#6399D7 #D76763 #D3D763

monochromatic

#275C98 #3479C9 #6399D7 #94B9E3 #C4D9F0

Accessibility & contrast

On white

2.97

#6399D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#6399D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6399D7

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399D7	#FFFFFF	#000000	##000000
##6399D7	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809CDA

Deuteranopia (green-blind)

#7191D6

Tritanopia (blue-blind)

#1BA7AF

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #6399d7;
/* rgb */ color: rgb(99, 153, 215);
/* oklch */ color: oklch(67.1% 0.109 252.8);

Tailwind

colors: {
  custom: {
    50: '#97b6e3',
    500: '#6399d7',
    950: '#000000',
  },
}

SCSS

$custom: #6399d7;
$custom-light: #97b6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#6399d7",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 215
  },
  "hsl": {
    "h": 212.069,
    "s": 59.184,
    "l": 61.569
  },
  "oklch": {
    "l": 0.67125,
    "c": 0.10906,
    "h": 252.8
  },
  "luminance": 0.30341
}

Semantic roles & 50–950 ramp

primary

#6399D7

secondary

#E0CCB5

accent

#791FC7

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #6399D7

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

Preview Lab → · Contrast checker → · Palette generator →