#6399CA#6399CA

#6399CA is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.5% C 0.093 H 247.1°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#6399CA
RGB	rgb(99, 153, 202)
HSL	hsl(209, 49%, 59%)
HSV	hsv(209, 51%, 79%)
CMYK	cmyk(51%, 24.3%, 0%, 20.8%)
CIE-LAB	lab(61.39, -4.12, -30.68)
CIE-LCH	lch(61.39, 30.96, 262.35°)
OKLab	oklab(66.51% -0.0363 -0.0857)
OKLCH	oklch(66.51% 0.093 247.1)
XYZ	xyz(27.1937, 29.6973, 60.1648)
Luminance	0.2970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399CA #CA9463

analogous

#63CAC8 #6399CA #6366CA

triadic

#6399CA #CA6399 #99CA63

tetradic

#6399CA #C863CA #CA9463 #66CA63

square

#6399CA #C863CA #CA9463 #66CA63

split-complementary

#6399CA #CA6366 #CAC863

monochromatic

#2D5B85 #3D7BB3 #6399CA #91B7DA #BED5E9

Accessibility & contrast

On white

3.03

#6399CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#6399CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6399CA

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399CA	#FFFFFF	#000000	##000000
##6399CA	1.00	3.03	6.94	6.94
#FFFFFF	3.03	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)

#859ACC

Deuteranopia (green-blind)

#7790C9

Tritanopia (blue-blind)

#2DA5AA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6399ca;
/* rgb */ color: rgb(99, 153, 202);
/* oklch */ color: oklch(66.5% 0.093 247.1);

Tailwind

colors: {
  custom: {
    50: '#95b6da',
    500: '#6399ca',
    950: '#000000',
  },
}

SCSS

$custom: #6399ca;
$custom-light: #95b6da;
$custom-dark: #000000;

JSON

{
  "hex": "#6399ca",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 202
  },
  "hsl": {
    "h": 208.544,
    "s": 49.282,
    "l": 59.02
  },
  "oklch": {
    "l": 0.66508,
    "c": 0.0931,
    "h": 247.1
  },
  "luminance": 0.29699
}

Semantic roles & 50–950 ramp

primary

#6399CA

secondary

#D9C3B0

accent

#914FD9

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #6399CA

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

Preview Lab → · Contrast checker → · Palette generator →