#6491D3#6491D3

#6491D3 is a light, moderate blue. Relative luminance 0.277; OKLCH L 65.2% C 0.111 H 257.8°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#6491D3
RGBrgb(100, 145, 211)
HSLhsl(216, 56%, 61%)
HSVhsv(216, 53%, 83%)
CMYKcmyk(52.6%, 31.3%, 0%, 17.3%)
CIE-LABlab(59.58, 3.45, -38.54)
CIE-LCHlch(59.58, 38.70, 275.11°)
OKLaboklab(65.23% -0.0234 -0.1084)
OKLCHoklch(65.23% 0.111 257.8)
XYZxyz(27.1348, 27.6612, 65.5246)
Luminance0.2766 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6491D3 #D3A664
analogous
#64C8D3 #6491D3 #6E64D3
triadic
#6491D3 #D36491 #91D364
tetradic
#6491D3 #D364C8 #D3A664 #64D36E
square
#6491D3 #D364C8 #D3A664 #64D36E
split-complementary
#6491D3 #D36E64 #C8D364
monochromatic
#2A5493 #3770C3 #6491D3 #94B3E1 #C3D5EE

Accessibility & contrast

On white

3.21
#6491D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.53
#6491D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491D3
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6491D3#FFFFFF#000000##000000
##6491D31.003.216.536.53
#FFFFFF3.211.0021.0021.00
#0000006.5321.001.001.00
##0000006.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7795D6
Deuteranopia (green-blind)
#698BD2
Tritanopia (blue-blind)
#29A0A9
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #6491d3;
/* rgb */ color: rgb(100, 145, 211);
/* oklch */ color: oklch(65.2% 0.111 257.8);
Tailwind
colors: {
  custom: {
    50: '#97b1e1',
    500: '#6491d3',
    950: '#000000',
  },
}
SCSS
$custom: #6491d3;
$custom-light: #97b1e1;
$custom-dark: #000000;
JSON
{
  "hex": "#6491d3",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 215.676,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.65229,
    "c": 0.11093,
    "h": 257.8
  },
  "luminance": 0.27663
}

Semantic roles & 50–950 ramp

primary
#6491D3
secondary
#DECDB4
accent
#8222C3
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #6491D3

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

Preview Lab → · Contrast checker → · Palette generator →

#6491D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva