#900DB9

Closest named color: Dark Violet (#9400D3). oklch(49.2% 0.236 315), rgb(144, 13, 185).

Aa

White text reads best on this color (7.13:1).

About this color

#900DB9 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.236 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Violet (#9400D3), ΔE 0.041 away. White text reads best on it, at 7.13:1.

Hue familyPurples
Lightnessmedium-dark (49%)
Chromavivid (0.236)
Temperaturein between
Nearest nameDark Violet (#9400D3)
Black text2.94:1
White text7.13:1

Values

HEX#900DB9
RGBrgb(144, 13, 185)
HSLhsl(286, 87%, 39%)
OKLCHoklch(49.2% 0.236 315)

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 #900DB9 7.13:1 AAA Lc -87.8 Fine for body text
Black text on #900DB9 2.94:1 Fails Lc 21.3 Dividers and decoration only
#900DB9 text on white 7.13:1 AAA Lc 82.8 Fine for body text
#900DB9 text on black 2.94:1 Fails Lc -19.1 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

    #F9F3FD

    oklch(97.2% 0.015 312.2)

  2. Step 100

    100

    #F2E4F9

    oklch(93.6% 0.032 314.7)

  3. Step 200

    200

    #E9CDF6

    oklch(88.4% 0.063 315.1)

  4. Step 300

    300

    #DCAAF3

    oklch(80.8% 0.113 314.9)

  5. Step 400

    400

    #CA78ED

    oklch(70.6% 0.182 315)

  6. Step 500

    500

    #BC4DE7

    oklch(63.1% 0.233 315)

  7. Step 600

    600

    #A822D5

    oklch(55.6% 0.253 315.1)

  8. Step 700

    700 (this color)

    #900DB9

    oklch(49.2% 0.236 315)

  9. Step 800

    800

    #751496

    oklch(42.8% 0.195 314.9)

  10. Step 900

    900

    #5E1C77

    oklch(37.6% 0.152 314.8)

  11. Step 950

    950

    #371346

    oklch(27% 0.096 314.4)

Export this scale for Tailwind in the Tailwind colors tool

#900DB9 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)#0051BD0.203
Deuteranopia (no green cones)#005BB60.207
Tritanopia (no blue cones)#8C416D0.149
Achromatopsia (no color)#5858580.238

Harmonies

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

Complementary

The opposite hue (180°).

  • #900DB9

    #900DB9

    oklch(49.2% 0.236 315)

  • #397100

    #397100

    oklch(49.1% 0.143 134.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #900DB9

    #900DB9

    oklch(49.2% 0.236 315)

  • #5E34DD

    #5E34DD

    oklch(49.2% 0.236 285.1)

  • #AA007B

    #AA007B

    oklch(49.2% 0.209 345.1)

Open the analogous palette in the generator

Split complementary

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

  • #900DB9

    #900DB9

    oklch(49.2% 0.236 315)

  • #6A6300

    #6A6300

    oklch(49.1% 0.104 104.8)

  • #007352

    #007352

    oklch(49.2% 0.104 164.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #900DB9

    #900DB9

    oklch(49.2% 0.236 315)

  • #835700

    #835700

    oklch(49.3% 0.104 75)

  • #006F70

    #006F70

    oklch(49.1% 0.084 195.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #900DB9

    #900DB9

    oklch(49.2% 0.236 315)

  • #9E3F00

    #9E3F00

    oklch(49.1% 0.14 44.9)

  • #397100

    #397100

    oklch(49.1% 0.143 134.9)

  • #006B88

    #006B88

    oklch(49.1% 0.093 224.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #900DB9, closest first.

No curated palette has a color within ΔE 0.04 of #900DB9.

Similar named colors

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

Use #900DB9 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.