#6539B0

Closest named color: Rebecca Purple (#663399). oklch(46.5% 0.179 295.6), rgb(101, 57, 176).

Aa

White text reads best on this color (7.59:1).

About this color

#6539B0 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.179 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 7.59:1.

Hue familyPurples
Lightnessmedium-dark (47%)
Chromavivid (0.179)
Temperaturein between
Nearest nameRebecca Purple (#663399)
Black text2.76:1
White text7.59:1

Values

HEX#6539B0
RGBrgb(101, 57, 176)
HSLhsl(262, 51%, 46%)
OKLCHoklch(46.5% 0.179 295.6)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #6539B0 7.59:1 AAA Lc -90.6 Preferred for body text
Black text on #6539B0 2.76:1 Fails Lc 18.2 Dividers and decoration only
#6539B0 text on white 7.59:1 AAA Lc 85.8 Fine for body text
#6539B0 text on black 2.76:1 Fails Lc -16.3 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F6F4FD

    oklch(97.1% 0.012 296.4)

  2. Step 100

    100

    #EBE7F9

    oklch(93.6% 0.024 296.1)

  3. Step 200

    200

    #DBD3F6

    oklch(88.4% 0.048 295.9)

  4. Step 300

    300

    #C5B6F3

    oklch(81% 0.086 295.7)

  5. Step 400

    400

    #A88DED

    oklch(70.7% 0.139 295.6)

  6. Step 500

    500

    #946EE7

    oklch(63.2% 0.176 295.4)

  7. Step 600

    600

    #8052D5

    oklch(55.7% 0.192 295.7)

  8. Step 700

    700 (this color)

    #6539B0

    oklch(46.5% 0.179 295.6)

  9. Step 800

    800

    #583795

    oklch(42.7% 0.147 295.7)

  10. Step 900

    900

    #483177

    oklch(37.8% 0.115 295.5)

  11. Step 950

    950

    #2A1D46

    oklch(27% 0.074 295.6)

Export this scale for Tailwind in the Tailwind colors tool

#6539B0 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0055B40.114
Deuteranopia (no green cones)#0052AE0.114
Tritanopia (no blue cones)#5156700.140
Achromatopsia (no color)#5454540.180

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #6539B0

    #6539B0

    oklch(46.5% 0.179 295.6)

  • #576000

    #576000

    oklch(46.5% 0.106 115.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6539B0

    #6539B0

    oklch(46.5% 0.179 295.6)

  • #284DBC

    #284DBC

    oklch(46.5% 0.18 265.6)

  • #88268E

    #88268E

    oklch(46.4% 0.179 325.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #6539B0

    #6539B0

    oklch(46.5% 0.179 295.6)

  • #715400

    #715400

    oklch(46.4% 0.095 85.4)

  • #006D1D

    #006D1D

    oklch(46.5% 0.144 145.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6539B0

    #6539B0

    oklch(46.5% 0.179 295.6)

  • #884500

    #884500

    oklch(46.5% 0.114 55.9)

  • #006957

    #006957

    oklch(46.5% 0.087 175.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6539B0

    #6539B0

    oklch(46.5% 0.179 295.6)

  • #A7121C

    #A7121C

    oklch(46.6% 0.179 25.7)

  • #576000

    #576000

    oklch(46.5% 0.106 115.9)

  • #00666F

    #00666F

    oklch(46.6% 0.08 205.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6539B0, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #6539B0 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.