#999EED

Closest named color: Periwinkle Blue (#8F99FB). oklch(72.6% 0.114 280.4), rgb(153, 158, 237).

Aa

Black text reads best on this color (8.46:1).

About this color

#999EED is a medium-light, moderately saturated purple. In OKLCH its lightness is 73%, its chroma 0.114 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.030 away. Black text reads best on it, at 8.46:1.

Hue familyPurples
Lightnessmedium-light (73%)
Chromamoderately saturated (0.114)
Temperaturecool
Nearest namePeriwinkle Blue (#8F99FB)
Black text8.46:1
White text2.47:1

Values

HEX#999EED
RGBrgb(153, 158, 237)
HSLhsl(236, 70%, 76%)
OKLCHoklch(72.6% 0.114 280.4)

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 #999EED 2.47:1 Fails Lc -53.7 Large or bold text, headings
Black text on #999EED 8.46:1 AAA Lc 55.3 Large or bold text, headings
#999EED text on white 2.47:1 Fails Lc 48.7 Large or bold text, headings
#999EED text on black 8.46:1 AAA Lc -53.3 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

    #E7E9F8

    oklch(93.7% 0.02 279.9)

  3. Step 200

    200

    #D4D7F4

    oklch(88.6% 0.04 280.9)

  4. Step 300

    300

    #B7BCEF

    oklch(80.9% 0.072 280.3)

  5. Step 400

    400 (this color)

    #999EED

    oklch(72.6% 0.114 280.4)

  6. Step 500

    500

    #7A7CDF

    oklch(63% 0.147 280.4)

  7. Step 600

    600

    #6463CD

    oklch(55.5% 0.16 280.3)

  8. Step 700

    700

    #5452B1

    oklch(49.2% 0.147 280.5)

  9. Step 800

    800

    #44438F

    oklch(42.5% 0.122 280.4)

  10. Step 900

    900

    #393A73

    oklch(37.8% 0.096 280)

  11. Step 950

    950

    #212243

    oklch(26.9% 0.061 280.2)

Export this scale for Tailwind in the Tailwind colors tool

#999EED 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)#85A8F00.033
Deuteranopia (no green cones)#81A2EB0.032
Tritanopia (no blue cones)#82ADBB0.100
Achromatopsia (no color)#A4A4A40.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #999EED

    #999EED

    oklch(72.6% 0.114 280.4)

  • #B7A84C

    #B7A84C

    oklch(72.6% 0.114 100.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #999EED

    #999EED

    oklch(72.6% 0.114 280.4)

  • #6DABEC

    #6DABEC

    oklch(72.6% 0.115 250.7)

  • #BD92DC

    #BD92DC

    oklch(72.7% 0.114 310.3)

Open the analogous palette in the generator

Split complementary

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

  • #999EED

    #999EED

    oklch(72.6% 0.114 280.4)

  • #D49950

    #D49950

    oklch(72.6% 0.114 70.1)

  • #8EB567

    #8EB567

    oklch(72.6% 0.114 130.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #999EED

    #999EED

    oklch(72.6% 0.114 280.4)

  • #E38D6E

    #E38D6E

    oklch(72.6% 0.114 40.5)

  • #5DBD8E

    #5DBD8E

    oklch(72.7% 0.115 160.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #999EED

    #999EED

    oklch(72.6% 0.114 280.4)

  • #E48796

    #E48796

    oklch(72.6% 0.115 9.9)

  • #B7A84C

    #B7A84C

    oklch(72.6% 0.114 100.1)

  • #32BDB7

    #32BDB7

    oklch(72.6% 0.114 190.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #999EED, closest first.

Similar named colors

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

Use #999EED 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.