#9999EE

Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.123 282.9), rgb(153, 153, 238).

Aa

Black text reads best on this color (8.14:1).

About this color

#9999EE is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.123 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.023 away. Black text reads best on it, at 8.14:1.

Hue familyPurples
Lightnessmedium-light (72%)
Chromamoderately saturated (0.123)
Temperaturecool
Nearest namePeriwinkle Blue (#8F99FB)
Black text8.14:1
White text2.57:1

Values

HEX#9999EE
RGBrgb(153, 153, 238)
HSLhsl(240, 71%, 77%)
OKLCHoklch(71.7% 0.123 282.9)

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 #9999EE 2.57:1 Fails Lc -55.5 Large or bold text, headings
Black text on #9999EE 8.14:1 AAA Lc 53.7 Large or bold text, headings
#9999EE text on white 2.57:1 Fails Lc 50.3 Large or bold text, headings
#9999EE text on black 8.14:1 AAA Lc -51.6 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F4F5FC

    oklch(97.1% 0.009 279.7)

  2. Step 100

    100

    #E7E8F9

    oklch(93.5% 0.023 283.3)

  3. Step 200

    200

    #D4D6F5

    oklch(88.4% 0.043 282.6)

  4. Step 300

    300

    #B9BBF1

    oklch(80.9% 0.076 282.9)

  5. Step 400

    400 (this color)

    #9999EE

    oklch(71.7% 0.123 282.9)

  6. Step 500

    500

    #7E79E4

    oklch(63% 0.157 283)

  7. Step 600

    600

    #6960D2

    oklch(55.7% 0.17 283)

  8. Step 700

    700

    #574EB6

    oklch(49% 0.159 282.7)

  9. Step 800

    800

    #474193

    oklch(42.7% 0.131 282.7)

  10. Step 900

    900

    #3B3875

    oklch(37.7% 0.101 282.6)

  11. Step 950

    950

    #222145

    oklch(26.9% 0.066 282.3)

Export this scale for Tailwind in the Tailwind colors tool

#9999EE 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)#7EA4F10.041
Deuteranopia (no green cones)#7A9EEC0.041
Tritanopia (no blue cones)#82A9B80.107
Achromatopsia (no color)#A1A1A10.123

Harmonies

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

Complementary

The opposite hue (180°).

  • #9999EE

    #9999EE

    oklch(71.7% 0.123 282.9)

  • #B2A741

    #B2A741

    oklch(71.8% 0.123 103.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #9999EE

    #9999EE

    oklch(71.7% 0.123 282.9)

  • #69A7EE

    #69A7EE

    oklch(71.6% 0.123 252.8)

  • #BE8CDA

    #BE8CDA

    oklch(71.6% 0.122 312.9)

Open the analogous palette in the generator

Split complementary

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

  • #9999EE

    #9999EE

    oklch(71.7% 0.123 282.9)

  • #D29742

    #D29742

    oklch(71.8% 0.123 73.3)

  • #85B461

    #85B461

    oklch(71.7% 0.123 132.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #9999EE

    #9999EE

    oklch(71.7% 0.123 282.9)

  • #E38963

    #E38963

    oklch(71.7% 0.122 43.3)

  • #4DBB8D

    #4DBB8D

    oklch(71.6% 0.122 162.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #9999EE

    #9999EE

    oklch(71.7% 0.123 282.9)

  • #E5828E

    #E5828E

    oklch(71.7% 0.122 12.9)

  • #B2A741

    #B2A741

    oklch(71.8% 0.123 103.2)

  • #02BBB9

    #02BBB9

    oklch(71.7% 0.122 193.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #9999EE, closest first.

Similar named colors

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

Use #9999EE 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.