#6B99BC#6B99BC

#6B99BC is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.072 H 242.0°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#6B99BC
RGBrgb(107, 153, 188)
HSLhsl(206, 38%, 58%)
HSVhsv(206, 43%, 74%)
CMYKcmyk(43.1%, 18.6%, 0%, 26.3%)
CIE-LABlab(61.25, -6.23, -23.01)
CIE-LCHlch(61.25, 23.83, 254.85°)
OKLaboklab(66.33% -0.0339 -0.0637)
OKLCHoklch(66.33% 0.072 242)
XYZxyz(26.5287, 29.5374, 51.8706)
Luminance0.2954 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6B99BC #BC8E6B
analogous
#6BBCB6 #6B99BC #6B70BC
triadic
#6B99BC #BC6B99 #99BC6B
tetradic
#6B99BC #B66BBC #BC8E6B #70BC6B
square
#6B99BC #B66BBC #BC8E6B #70BC6B
split-complementary
#6B99BC #BC6B70 #BCB66B
monochromatic
#365B77 #497BA1 #6B99BC #95B6CF #BFD3E2

Accessibility & contrast

On white

3.04
#6B99BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.91
#6B99BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B99BC
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6B99BC#FFFFFF#000000##000000
##6B99BC1.003.046.916.91
#FFFFFF3.041.0021.0021.00
#0000006.9121.001.001.00
##0000006.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A99BE
Deuteranopia (green-blind)
#7F90BB
Tritanopia (blue-blind)
#4BA2A5
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #6b99bc;
/* rgb */ color: rgb(107, 153, 188);
/* oklch */ color: oklch(66.3% 0.072 242.0);
Tailwind
colors: {
  custom: {
    50: '#99b7d0',
    500: '#6b99bc',
    950: '#000000',
  },
}
SCSS
$custom: #6b99bc;
$custom-light: #99b7d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6b99bc",
  "rgb": {
    "r": 107,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 205.926,
    "s": 37.674,
    "l": 57.843
  },
  "oklch": {
    "l": 0.66326,
    "c": 0.07221,
    "h": 242
  },
  "luminance": 0.29539
}

Semantic roles & 50–950 ramp

primary
#6B99BC
secondary
#D2BFB1
accent
#8C5ACE
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1114
muted
#7E8082

Preview Lab

Preview with #6B99BC

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

Preview Lab → · Contrast checker → · Palette generator →

#6B99BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva