#90A0FF

Closest named color: Periwinkle Blue (#8F99FB). oklch(73.3% 0.139 275.2), rgb(144, 160, 255).

Aa

Black text reads best on this color (8.65:1).

About this color

#90A0FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.139 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.018 away. Black text reads best on it, at 8.65:1.

Hue familyBlues
Lightnessmedium-light (73%)
Chromamoderately saturated (0.139)
Temperaturecool
Nearest namePeriwinkle Blue (#8F99FB)
Black text8.65:1
White text2.42:1

Values

HEX#90A0FF
RGBrgb(144, 160, 255)
HSLhsl(231, 100%, 78%)
OKLCHoklch(73.3% 0.139 275.2)

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 #90A0FF 2.42:1 Fails Lc -52.6 Large or bold text, headings
Black text on #90A0FF 8.65:1 AAA Lc 56.4 Large or bold text, headings
#90A0FF text on white 2.42:1 Fails Lc 47.6 Large or bold text, headings
#90A0FF text on black 8.65:1 AAA Lc -54.4 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

    #F3F5FE

    oklch(97.1% 0.012 276.1)

  2. Step 100

    100

    #E5E9FB

    oklch(93.6% 0.025 275.9)

  3. Step 200

    200

    #CFD7FA

    oklch(88.4% 0.049 275.2)

  4. Step 300

    300

    #B0BDF9

    oklch(81% 0.086 274.8)

  5. Step 400

    400 (this color)

    #90A0FF

    oklch(73.3% 0.139 275.2)

  6. Step 500

    500

    #6D7BF2

    oklch(63.1% 0.177 275.1)

  7. Step 600

    600

    #5860E1

    oklch(55.6% 0.193 275.5)

  8. Step 700

    700

    #484FC3

    oklch(49.1% 0.178 275.1)

  9. Step 800

    800

    #3B419E

    oklch(42.6% 0.149 275.3)

  10. Step 900

    900

    #32387D

    oklch(37.6% 0.115 275.6)

  11. Step 950

    950

    #1D2249

    oklch(27% 0.072 275)

Export this scale for Tailwind in the Tailwind colors tool

#90A0FF 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)#7EABFF0.033
Deuteranopia (no green cones)#75A2FD0.032
Tritanopia (no blue cones)#6AB3C30.123
Achromatopsia (no color)#A6A6A60.139

Harmonies

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

Complementary

The opposite hue (180°).

  • #90A0FF

    #90A0FF

    oklch(73.3% 0.139 275.2)

  • #C4A72A

    #C4A72A

    oklch(73.3% 0.139 95.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90A0FF

    #90A0FF

    oklch(73.3% 0.139 275.2)

  • #53B0FA

    #53B0FA

    oklch(73.3% 0.139 245.4)

  • #BD91EE

    #BD91EE

    oklch(73.3% 0.138 305)

Open the analogous palette in the generator

Split complementary

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

  • #90A0FF

    #90A0FF

    oklch(73.3% 0.139 275.2)

  • #E3943C

    #E3943C

    oklch(73.2% 0.138 65)

  • #94B74F

    #94B74F

    oklch(73.2% 0.138 125.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90A0FF

    #90A0FF

    oklch(73.3% 0.139 275.2)

  • #F2866B

    #F2866B

    oklch(73.2% 0.138 35)

  • #53C282

    #53C282

    oklch(73.3% 0.139 155.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90A0FF

    #90A0FF

    oklch(73.3% 0.139 275.2)

  • #F0819C

    #F0819C

    oklch(73.3% 0.138 5.6)

  • #C4A72A

    #C4A72A

    oklch(73.3% 0.139 95.1)

  • #00C2B3

    #00C2B3

    oklch(73.2% 0.129 185.1)

Open the square palette in the generator

Palettes and gradients that use #90A0FF

These curated palettes and gradients contain exactly #90A0FF. Open one to see the full color scheme around it.

Gradients

Similar named colors

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

Use #90A0FF 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.