#90A2EB

Closest named color: Periwinkle Blue (#8F99FB). oklch(72.7% 0.108 272.9), rgb(144, 162, 235).

Aa

Black text reads best on this color (8.55:1).

About this color

#90A2EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.108 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.037 away. Black text reads best on it, at 8.55:1.

Hue familyBlues
Lightnessmedium-light (73%)
Chromamoderately saturated (0.108)
Temperaturecool
Nearest namePeriwinkle Blue (#8F99FB)
Black text8.55:1
White text2.45:1

Values

HEX#90A2EB
RGBrgb(144, 162, 235)
HSLhsl(228, 69%, 74%)
OKLCHoklch(72.7% 0.108 272.9)

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 #90A2EB 2.45:1 Fails Lc -53.3 Large or bold text, headings
Black text on #90A2EB 8.55:1 AAA Lc 55.8 Large or bold text, headings
#90A2EB text on white 2.45:1 Fails Lc 48.2 Large or bold text, headings
#90A2EB text on black 8.55:1 AAA Lc -53.8 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

    #F3F5FC

    oklch(97.1% 0.01 273.4)

  2. Step 100

    100

    #E5E9F7

    oklch(93.5% 0.019 273.2)

  3. Step 200

    200

    #D0D8F3

    oklch(88.5% 0.038 272.5)

  4. Step 300

    300

    #B2BEED

    oklch(80.8% 0.068 273.6)

  5. Step 400

    400 (this color)

    #90A2EB

    oklch(72.7% 0.108 272.9)

  6. Step 500

    500

    #6E81DC

    oklch(63% 0.138 272.9)

  7. Step 600

    600

    #5769CA

    oklch(55.6% 0.15 272.7)

  8. Step 700

    700

    #4857AF

    oklch(49.1% 0.14 272.9)

  9. Step 800

    800

    #3B488E

    oklch(42.8% 0.116 272.7)

  10. Step 900

    900

    #323D71

    oklch(37.8% 0.09 272.4)

  11. Step 950

    950

    #1D2442

    oklch(27% 0.057 272.2)

Export this scale for Tailwind in the Tailwind colors tool

#90A2EB 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)#8AA9EE0.018
Deuteranopia (no green cones)#82A2E90.018
Tritanopia (no blue cones)#74B1BC0.098
Achromatopsia (no color)#A5A5A50.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #90A2EB

    #90A2EB

    oklch(72.7% 0.108 272.9)

  • #BEA551

    #BEA551

    oklch(72.7% 0.108 93)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #90A2EB

    #90A2EB

    oklch(72.7% 0.108 272.9)

  • #66AEE5

    #66AEE5

    oklch(72.6% 0.108 243.1)

  • #B496DF

    #B496DF

    oklch(72.7% 0.108 302.7)

Open the analogous palette in the generator

Split complementary

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

  • #90A2EB

    #90A2EB

    oklch(72.7% 0.108 272.9)

  • #D7975B

    #D7975B

    oklch(72.7% 0.109 62.9)

  • #9AB263

    #9AB263

    oklch(72.7% 0.108 122.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #90A2EB

    #90A2EB

    oklch(72.7% 0.108 272.9)

  • #E28D7A

    #E28D7A

    oklch(72.7% 0.108 33.3)

  • #6EBB86

    #6EBB86

    oklch(72.8% 0.109 152.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #90A2EB

    #90A2EB

    oklch(72.7% 0.108 272.9)

  • #DF89A0

    #DF89A0

    oklch(72.6% 0.108 2.8)

  • #BEA551

    #BEA551

    oklch(72.7% 0.108 93)

  • #45BDAD

    #45BDAD

    oklch(72.7% 0.109 182.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90A2EB, closest first.

Similar named colors

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

Use #90A2EB 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.