#6C91BB#6C91BB

#6C91BB is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.076 H 252.1°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#6C91BB
RGBrgb(108, 145, 187)
HSLhsl(212, 37%, 58%)
HSVhsv(212, 42%, 73%)
CMYKcmyk(42.2%, 22.5%, 0%, 26.7%)
CIE-LABlab(59.00, -1.73, -25.90)
CIE-LCHlch(59.00, 25.96, 266.18°)
OKLaboklab(64.55% -0.0232 -0.0719)
OKLCHoklch(64.55% 0.076 252.1)
XYZxyz(25.2764, 27.0253, 50.8886)
Luminance0.2703 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6C91BB #BB966C
analogous
#6CB8BB #6C91BB #6F6CBB
triadic
#6C91BB #BB6C91 #91BB6C
tetradic
#6C91BB #BB6CB8 #BB966C #6CBB6F
square
#6C91BB #BB6CB8 #BB966C #6CBB6F
split-complementary
#6C91BB #BB6F6C #B8BB6C
monochromatic
#375476 #4A72A0 #6C91BB #96B0CE #C0D0E2

Accessibility & contrast

On white

3.28
#6C91BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.41
#6C91BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C91BB
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6C91BB#FFFFFF#000000##000000
##6C91BB1.003.286.416.41
#FFFFFF3.281.0021.0021.00
#0000006.4121.001.001.00
##0000006.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8192BD
Deuteranopia (green-blind)
#778ABA
Tritanopia (blue-blind)
#4F9A9F
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #6c91bb;
/* rgb */ color: rgb(108, 145, 187);
/* oklch */ color: oklch(64.6% 0.076 252.1);
Tailwind
colors: {
  custom: {
    50: '#99b1cf',
    500: '#6c91bb',
    950: '#000000',
  },
}
SCSS
$custom: #6c91bb;
$custom-light: #99b1cf;
$custom-dark: #000000;
JSON
{
  "hex": "#6c91bb",
  "rgb": {
    "r": 108,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 211.899,
    "s": 36.744,
    "l": 57.843
  },
  "oklch": {
    "l": 0.64552,
    "c": 0.0756,
    "h": 252.1
  },
  "luminance": 0.27027
}

Semantic roles & 50–950 ramp

primary
#6C91BB
secondary
#D1C2B2
accent
#975BCD
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #6C91BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6C91BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva