#65639B#65639B

#65639B is a mid, moderate blue. Relative luminance 0.141; OKLCH L 52.6% C 0.087 H 284.6°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#65639B
RGBrgb(101, 99, 155)
HSLhsl(242, 22%, 50%)
HSVhsv(242, 36%, 61%)
CMYKcmyk(34.8%, 36.1%, 0%, 39.2%)
CIE-LABlab(44.31, 14.62, -30.20)
CIE-LCHlch(44.31, 33.55, 295.83°)
OKLaboklab(52.55% 0.022 -0.0844)
OKLCHoklch(52.55% 0.087 284.6)
XYZxyz(15.7435, 14.0565, 32.8877)
Luminance0.1406 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#65639B #999B63
analogous
#637D9B #65639B #81639B
triadic
#65639B #9B6563 #639B65
tetradic
#65639B #9B637D #999B63 #639B81
square
#65639B #9B637D #999B63 #639B81
split-complementary
#65639B #9B8163 #7D9B63
monochromatic
#343350 #4D4B76 #65639B #8A88B3 #AFADCB

Accessibility & contrast

On white

5.51
#65639B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#65639B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #65639B
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##65639B#FFFFFF#000000##FFFFFF
##65639B1.005.513.815.51
#FFFFFF5.511.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#526A9D
Deuteranopia (green-blind)
#50679A
Tritanopia (blue-blind)
#576D78
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #65639b;
/* rgb */ color: rgb(101, 99, 155);
/* oklch */ color: oklch(52.6% 0.087 284.6);
Tailwind
colors: {
  custom: {
    50: '#938fb8',
    500: '#65639b',
    950: '#000000',
  },
}
SCSS
$custom: #65639b;
$custom-light: #938fb8;
$custom-dark: #000000;
JSON
{
  "hex": "#65639b",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 242.143,
    "s": 22.047,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52555,
    "c": 0.08722,
    "h": 284.6
  },
  "luminance": 0.14057
}

Semantic roles & 50–950 ramp

primary
#65639B
secondary
#B9BAA0
accent
#BF69BC
background
#F9F8FB
surface
#F1F0F6
border
#CBCBD0
text
#0D0C11
muted
#7E7D80

Preview Lab

Preview with #65639B

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

Preview Lab → · Contrast checker → · Palette generator →

#65639B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva