#6591C3#6591C3

#6591C3 is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.5% C 0.090 H 252.3°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#6591C3
RGBrgb(101, 145, 195)
HSLhsl(212, 44%, 58%)
HSVhsv(212, 48%, 76%)
CMYKcmyk(48.2%, 25.6%, 0%, 23.5%)
CIE-LABlab(58.93, -1.19, -30.55)
CIE-LCHlch(58.93, 30.58, 267.77°)
OKLaboklab(64.51% -0.0272 -0.0854)
OKLCHoklch(64.51% 0.09 252.3)
XYZxyz(25.3392, 26.9559, 55.4869)
Luminance0.2696 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6591C3 #C39765
analogous
#65C0C3 #6591C3 #6865C3
triadic
#6591C3 #C36591 #91C365
tetradic
#6591C3 #C365C0 #C39765 #65C368
square
#6591C3 #C365C0 #C39765 #65C368
split-complementary
#6591C3 #C36865 #C0C365
monochromatic
#31547D #4272A9 #6591C3 #91B0D4 #BDD0E5

Accessibility & contrast

On white

3.29
#6591C3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.39
#6591C3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591C3
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6591C3#FFFFFF#000000##000000
##6591C31.003.296.396.39
#FFFFFF3.291.0021.0021.00
#0000006.3921.001.001.00
##0000006.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D93C5
Deuteranopia (green-blind)
#728AC2
Tritanopia (blue-blind)
#3B9CA2
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #6591c3;
/* rgb */ color: rgb(101, 145, 195);
/* oklch */ color: oklch(64.5% 0.090 252.3);
Tailwind
colors: {
  custom: {
    50: '#96b1d5',
    500: '#6591c3',
    950: '#000000',
  },
}
SCSS
$custom: #6591c3;
$custom-light: #96b1d5;
$custom-dark: #000000;
JSON
{
  "hex": "#6591c3",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 195
  },
  "hsl": {
    "h": 211.915,
    "s": 43.925,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64505,
    "c": 0.08959,
    "h": 252.3
  },
  "luminance": 0.26958
}

Semantic roles & 50–950 ramp

primary
#6591C3
secondary
#D5C3AF
accent
#9854D4
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83

Preview Lab

Preview with #6591C3

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

Preview Lab → · Contrast checker → · Palette generator →

#6591C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva