#658CDF#658CDF

#658CDF is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.8% C 0.132 H 264.0°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#658CDF
RGBrgb(101, 140, 223)
HSLhsl(221, 66%, 64%)
HSVhsv(221, 55%, 87%)
CMYKcmyk(54.7%, 37.2%, 0%, 12.5%)
CIE-LABlab(58.83, 10.37, -46.42)
CIE-LCHlch(58.83, 47.57, 282.59°)
OKLaboklab(64.85% -0.0138 -0.1314)
OKLCHoklch(64.85% 0.132 264)
XYZxyz(28.0597, 26.8484, 73.5014)
Luminance0.2685 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#658CDF #DFB865
analogous
#65C9DF #658CDF #7B65DF
triadic
#658CDF #DF658C #8CDF65
tetradic
#658CDF #DF65C9 #DFB865 #65DF7B
square
#658CDF #DF65C9 #DFB865 #65DF7B
split-complementary
#658CDF #DF7B65 #C9DF65
monochromatic
#234DA7 #3266D4 #658CDF #98B2EA #CAD8F4

Accessibility & contrast

On white

3.30
#658CDF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.37
#658CDF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #658CDF
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##658CDF#FFFFFF#000000##000000
##658CDF1.003.306.376.37
#FFFFFF3.301.0021.0021.00
#0000006.3721.001.001.00
##0000006.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A94E2
Deuteranopia (green-blind)
#5B88DD
Tritanopia (blue-blind)
#1C9EAB
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #658cdf;
/* rgb */ color: rgb(101, 140, 223);
/* oklch */ color: oklch(64.8% 0.132 264.0);
Tailwind
colors: {
  custom: {
    50: '#99ade9',
    500: '#658cdf',
    950: '#000000',
  },
}
SCSS
$custom: #658cdf;
$custom-light: #99ade9;
$custom-dark: #000000;
JSON
{
  "hex": "#658cdf",
  "rgb": {
    "r": 101,
    "g": 140,
    "b": 223
  },
  "hsl": {
    "h": 220.82,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6485,
    "c": 0.13212,
    "h": 264
  },
  "luminance": 0.26851
}

Semantic roles & 50–950 ramp

primary
#658CDF
secondary
#E6D8BA
accent
#9318CD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #658CDF

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

Preview Lab → · Contrast checker → · Palette generator →

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