#A0A3FF

Closest named color: Periwinkle Blue (#8F99FB). oklch(75% 0.132 281.3), rgb(160, 163, 255).

Aa

Black text reads best on this color (9.17:1).

About this color

#A0A3FF is a medium-light, moderately saturated purple. In OKLCH its lightness is 75%, its chroma 0.132 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.036 away. Black text reads best on it, at 9.17:1.

Hue familyPurples
Lightnessmedium-light (75%)
Chromamoderately saturated (0.132)
Temperaturecool
Nearest namePeriwinkle Blue (#8F99FB)
Black text9.17:1
White text2.28:1

Values

HEX#A0A3FF
RGBrgb(160, 163, 255)
HSLhsl(238, 100%, 81%)
OKLCHoklch(75% 0.132 281.3)

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 #A0A3FF 2.28:1 Fails Lc -49.9 Large or bold text, headings
Black text on #A0A3FF 9.17:1 AAA Lc 58.9 Large or bold text, headings
#A0A3FF text on white 2.28:1 Fails Lc 45.0 Large or bold text, headings
#A0A3FF text on black 9.17:1 AAA Lc -57.1 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

    #F4F5FD

    oklch(97.2% 0.011 280.5)

  2. Step 100

    100

    #E7E8FA

    oklch(93.6% 0.024 283.4)

  3. Step 200

    200

    #D3D6F7

    oklch(88.4% 0.045 281.3)

  4. Step 300

    300

    #B7BBF5

    oklch(80.9% 0.082 281.3)

  5. Step 400

    400 (this color)

    #A0A3FF

    oklch(75% 0.132 281.3)

  6. Step 500

    500

    #7B78EB

    oklch(63.1% 0.168 281.6)

  7. Step 600

    600

    #655ED9

    oklch(55.5% 0.182 281.2)

  8. Step 700

    700

    #554DBD

    oklch(49.2% 0.17 281.4)

  9. Step 800

    800

    #454099

    oklch(42.8% 0.141 281.2)

  10. Step 900

    900

    #393779

    oklch(37.6% 0.109 281.1)

  11. Step 950

    950

    #212147

    oklch(27% 0.069 280.7)

Export this scale for Tailwind in the Tailwind colors tool

#A0A3FF 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)#85AFFF0.043
Deuteranopia (no green cones)#80A8FD0.041
Tritanopia (no blue cones)#85B5C50.115
Achromatopsia (no color)#ABABAB0.132

Harmonies

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

Complementary

The opposite hue (180°).

  • #A0A3FF

    #A0A3FF

    oklch(75% 0.132 281.3)

  • #C0B040

    #C0B040

    oklch(75% 0.131 101.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A0A3FF

    #A0A3FF

    oklch(75% 0.132 281.3)

  • #6BB3FE

    #6BB3FE

    oklch(75.1% 0.131 250.8)

  • #C995EB

    #C995EB

    oklch(75% 0.132 311.2)

Open the analogous palette in the generator

Split complementary

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

  • #A0A3FF

    #A0A3FF

    oklch(75% 0.132 281.3)

  • #E19F44

    #E19F44

    oklch(75% 0.131 71.8)

  • #90BF63

    #90BF63

    oklch(75% 0.132 131.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A0A3FF

    #A0A3FF

    oklch(75% 0.132 281.3)

  • #F3906A

    #F3906A

    oklch(75% 0.131 41.5)

  • #52C793

    #52C793

    oklch(74.9% 0.131 161.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A0A3FF

    #A0A3FF

    oklch(75% 0.132 281.3)

  • #F58999

    #F58999

    oklch(75.1% 0.132 11.3)

  • #C0B040

    #C0B040

    oklch(75% 0.131 101.1)

  • #00C7C2

    #00C7C2

    oklch(74.9% 0.129 191.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A0A3FF, closest first.

No curated palette has a color within ΔE 0.04 of #A0A3FF.

Similar named colors

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

Use #A0A3FF 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.