#6491DF#6491DF

#6491DF is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.127 H 260.8°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#6491DF
RGBrgb(100, 145, 223)
HSLhsl(218, 66%, 63%)
HSVhsv(218, 55%, 87%)
CMYKcmyk(55.2%, 35%, 0%, 12.5%)
CIE-LABlab(60.15, 7.21, -44.35)
CIE-LCHlch(60.15, 44.94, 279.23°)
OKLaboklab(65.85% -0.0202 -0.1253)
OKLCHoklch(65.85% 0.127 260.8)
XYZxyz(28.6956, 28.2856, 73.7452)
Luminance0.2829 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6491DF #DFB264
analogous
#64CEDF #6491DF #7464DF
triadic
#6491DF #DF6491 #91DF64
tetradic
#6491DF #DF64CE #DFB264 #64DF74
square
#6491DF #DF64CE #DFB264 #64DF74
split-complementary
#6491DF #DF7464 #CEDF64
monochromatic
#2253A6 #316DD5 #6491DF #97B5E9 #C9D9F4

Accessibility & contrast

On white

3.15
#6491DF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#6491DF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491DF
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6491DF#FFFFFF#000000##000000
##6491DF1.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7197E2
Deuteranopia (green-blind)
#628CDD
Tritanopia (blue-blind)
#13A2AE
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #6491df;
/* rgb */ color: rgb(100, 145, 223);
/* oklch */ color: oklch(65.9% 0.127 260.8);
Tailwind
colors: {
  custom: {
    50: '#98b0e9',
    500: '#6491df',
    950: '#000000',
  },
}
SCSS
$custom: #6491df;
$custom-light: #98b0e9;
$custom-dark: #000000;
JSON
{
  "hex": "#6491df",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 223
  },
  "hsl": {
    "h": 218.049,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65854,
    "c": 0.12696,
    "h": 260.8
  },
  "luminance": 0.28288
}

Semantic roles & 50–950 ramp

primary
#6491DF
secondary
#E5D5B9
accent
#8B18CE
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #6491DF

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

Preview Lab → · Contrast checker → · Palette generator →

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