#6398DD#6398DD

#6398DD is a light, moderate cyan. Relative luminance 0.303; OKLCH L 67.2% C 0.118 H 255.5°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#6398DD
RGBrgb(99, 152, 221)
HSLhsl(214, 64%, 63%)
HSVhsv(214, 55%, 87%)
CMYKcmyk(55.2%, 31.2%, 0%, 13.3%)
CIE-LABlab(61.94, 2.30, -40.43)
CIE-LCHlch(61.94, 40.50, 273.25°)
OKLaboklab(67.21% -0.0294 -0.1139)
OKLCHoklch(67.21% 0.118 255.5)
XYZxyz(29.4204, 30.3272, 72.6960)
Luminance0.3033 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6398DD #DDA863
analogous
#63D5DD #6398DD #6B63DD
triadic
#6398DD #DD6398 #98DD63
tetradic
#6398DD #DD63D5 #DDA863 #63DD6B
square
#6398DD #DD63D5 #DDA863 #63DD6B
split-complementary
#6398DD #DD6B63 #D5DD63
monochromatic
#235AA2 #3177D2 #6398DD #95B9E8 #C7DAF3

Accessibility & contrast

On white

2.97
#6398DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.07
#6398DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6398DD
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6398DD#FFFFFF#000000##000000
##6398DD1.002.977.077.07
#FFFFFF2.971.0021.0021.00
#0000007.0721.001.001.00
##0000007.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C9CE0
Deuteranopia (green-blind)
#6C90DC
Tritanopia (blue-blind)
#0BA8B1
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #6398dd;
/* rgb */ color: rgb(99, 152, 221);
/* oklch */ color: oklch(67.2% 0.118 255.5);
Tailwind
colors: {
  custom: {
    50: '#97b6e8',
    500: '#6398dd',
    950: '#000000',
  },
}
SCSS
$custom: #6398dd;
$custom-light: #97b6e8;
$custom-dark: #000000;
JSON
{
  "hex": "#6398dd",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 221
  },
  "hsl": {
    "h": 213.934,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.67206,
    "c": 0.11764,
    "h": 255.5
  },
  "luminance": 0.3033
}

Semantic roles & 50–950 ramp

primary
#6398DD
secondary
#E4D1B8
accent
#7E19CC
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #6398DD

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

Preview Lab → · Contrast checker → · Palette generator →

#6398DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva