#658BDD#658BDD

#658BDD is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.131 H 264.2°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#658BDD
RGBrgb(101, 139, 221)
HSLhsl(221, 64%, 63%)
HSVhsv(221, 54%, 87%)
CMYKcmyk(54.3%, 37.1%, 0%, 13.3%)
CIE-LABlab(58.46, 10.33, -45.89)
CIE-LCHlch(58.46, 47.04, 282.68°)
OKLaboklab(64.53% -0.0131 -0.1299)
OKLCHoklch(64.53% 0.131 264.2)
XYZxyz(27.6462, 26.4503, 72.0412)
Luminance0.2645 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#658BDD #DDB765
analogous
#65C7DD #658BDD #7B65DD
triadic
#658BDD #DD658B #8BDD65
tetradic
#658BDD #DD65C7 #DDB765 #65DD7B
square
#658BDD #DD65C7 #DDB765 #65DD7B
split-complementary
#658BDD #DD7B65 #C7DD65
monochromatic
#244CA4 #3365D2 #658BDD #97B1E8 #C9D7F3

Accessibility & contrast

On white

3.34
#658BDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#658BDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658BDD
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##658BDD#FFFFFF#000000##000000
##658BDD1.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A93E0
Deuteranopia (green-blind)
#5B88DB
Tritanopia (blue-blind)
#209DA9
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #658bdd;
/* rgb */ color: rgb(101, 139, 221);
/* oklch */ color: oklch(64.5% 0.131 264.2);
Tailwind
colors: {
  custom: {
    50: '#99ace8',
    500: '#658bdd',
    950: '#000000',
  },
}
SCSS
$custom: #658bdd;
$custom-light: #99ace8;
$custom-dark: #000000;
JSON
{
  "hex": "#658bdd",
  "rgb": {
    "r": 101,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 221,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6453,
    "c": 0.13053,
    "h": 264.2
  },
  "luminance": 0.26452
}

Semantic roles & 50–950 ramp

primary
#658BDD
secondary
#E4D7B9
accent
#931ACC
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #658BDD

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

Preview Lab → · Contrast checker → · Palette generator →

#658BDD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva