#A3B4E6

Closest named color: Pastel Blue (#A2BFFE). oklch(77.5% 0.074 270), rgb(163, 180, 230).

Aa

Black text reads best on this color (10.22:1).

About this color

#A3B4E6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.074 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.039 away. Black text reads best on it, at 10.22:1.

Hue familyBlues
Lightnessmedium-light (77%)
Chromamoderately saturated (0.074)
Temperaturecool
Nearest namePastel Blue (#A2BFFE)
Black text10.22:1
White text2.05:1

Values

HEX#A3B4E6
RGBrgb(163, 180, 230)
HSLhsl(225, 57%, 77%)
OKLCHoklch(77.5% 0.074 270)

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 #A3B4E6 2.05:1 Fails Lc -44.5 Non-text elements, placeholder text
Black text on #A3B4E6 10.22:1 AAA Lc 63.9 Content text, not long reading
#A3B4E6 text on white 2.05:1 Fails Lc 40.0 Non-text elements, placeholder text
#A3B4E6 text on black 10.22:1 AAA Lc -62.3 Content text, not long reading

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 300.

  1. Step 50

    50

    #F3F5FC

    oklch(97.1% 0.01 273.4)

  2. Step 100

    100

    #E4EAF9

    oklch(93.7% 0.021 268.4)

  3. Step 200

    200

    #CED8F5

    oklch(88.4% 0.041 270.4)

  4. Step 300

    300 (this color)

    #A3B4E6

    oklch(77.5% 0.074 270)

  5. Step 400

    400

    #849CEB

    oklch(70.7% 0.119 270.3)

  6. Step 500

    500

    #6682E5

    oklch(63.2% 0.152 269.8)

  7. Step 600

    600

    #4F69D3

    oklch(55.7% 0.165 269.9)

  8. Step 700

    700

    #4057B6

    oklch(49.2% 0.152 269.8)

  9. Step 800

    800

    #354794

    oklch(42.7% 0.128 270.3)

  10. Step 900

    900

    #2E3D76

    oklch(37.9% 0.099 270.1)

  11. Step 950

    950

    #1B2445

    oklch(27.1% 0.063 270.3)

Export this scale for Tailwind in the Tailwind colors tool

#A3B4E6 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)#A5B8E80.011
Deuteranopia (no green cones)#9FB2E50.008
Tritanopia (no blue cones)#91BEC50.067
Achromatopsia (no color)#B5B5B50.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3B4E6

    #A3B4E6

    oklch(77.5% 0.074 270)

  • #C8B47F

    #C8B47F

    oklch(77.4% 0.074 89.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3B4E6

    #A3B4E6

    oklch(77.5% 0.074 270)

  • #8ABDE1

    #8ABDE1

    oklch(77.6% 0.074 239.7)

  • #BDABDF

    #BDABDF

    oklch(77.4% 0.075 300.5)

Open the analogous palette in the generator

Split complementary

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

  • #A3B4E6

    #A3B4E6

    oklch(77.5% 0.074 270)

  • #D9AB86

    #D9AB86

    oklch(77.4% 0.074 60.2)

  • #AFBD88

    #AFBD88

    oklch(77.4% 0.073 120.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3B4E6

    #A3B4E6

    oklch(77.5% 0.074 270)

  • #E1A49A

    #E1A49A

    oklch(77.4% 0.074 29.3)

  • #94C49D

    #94C49D

    oklch(77.6% 0.075 150)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3B4E6

    #A3B4E6

    oklch(77.5% 0.074 270)

  • #DEA2B4

    #DEA2B4

    oklch(77.4% 0.075 359.3)

  • #C8B47F

    #C8B47F

    oklch(77.4% 0.074 89.7)

  • #7FC6B7

    #7FC6B7

    oklch(77.5% 0.075 179.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3B4E6, closest first.

Similar named colors

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

Use #A3B4E6 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.