#6491BD#6491BD

#6491BD is a light, moderate cyan. Relative luminance 0.266; OKLCH L 64.2% C 0.083 H 248.7°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX#6491BD
RGBrgb(100, 145, 189)
HSLhsl(210, 40%, 57%)
HSVhsv(210, 47%, 74%)
CMYKcmyk(47.1%, 23.3%, 0%, 25.9%)
CIE-LABlab(58.63, -3.21, -27.63)
CIE-LCHlch(58.63, 27.82, 263.37°)
OKLaboklab(64.17% -0.03 -0.077)
OKLCHoklch(64.17% 0.083 248.7)
XYZxyz(24.5631, 26.6325, 51.9805)
Luminance0.2663 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6491BD #BD9064
analogous
#64BDBD #6491BD #6465BD
triadic
#6491BD #BD6491 #91BD64
tetradic
#6491BD #BD64BD #BD9064 #65BD64
square
#6491BD #BD64BD #BD9064 #65BD64
split-complementary
#6491BD #BD6465 #BDBD64
monochromatic
#325475 #4472A0 #6491BD #8FAFCF #BACEE2

Accessibility & contrast

On white

3.32
#6491BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.33
#6491BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491BD
6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6491BD#FFFFFF#000000##000000
##6491BD1.003.326.336.33
#FFFFFF3.321.0021.0021.00
#0000006.3321.001.001.00
##0000006.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F92BF
Deuteranopia (green-blind)
#7489BC
Tritanopia (blue-blind)
#3D9BA0
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #6491bd;
/* rgb */ color: rgb(100, 145, 189);
/* oklch */ color: oklch(64.2% 0.083 248.7);
Tailwind
colors: {
  custom: {
    50: '#95b1d1',
    500: '#6491bd',
    950: '#000000',
  },
}
SCSS
$custom: #6491bd;
$custom-light: #95b1d1;
$custom-dark: #000000;
JSON
{
  "hex": "#6491bd",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 209.663,
    "s": 40.271,
    "l": 56.667
  },
  "oklch": {
    "l": 0.64173,
    "c": 0.08266,
    "h": 248.7
  },
  "luminance": 0.26634
}

Semantic roles & 50–950 ramp

primary
#6491BD
secondary
#D1BEAC
accent
#9358D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #6491BD

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

Preview Lab → · Contrast checker → · Palette generator →

#6491BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva