#A3DAE5

Closest named color: Light Blue (#ADD8E6). oklch(85.4% 0.058 211.3), rgb(163, 218, 229).

Aa

Black text reads best on this color (13.71:1).

About this color

#A3DAE5 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.058 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.012 away. Black text reads best on it, at 13.71:1.

Hue familyTeals and cyans
Lightnesslight (85%)
Chromamuted (0.058)
Temperaturecool
Nearest nameLight Blue (#ADD8E6)
Black text13.71:1
White text1.53:1

Values

HEX#A3DAE5
RGBrgb(163, 218, 229)
HSLhsl(190, 56%, 77%)
OKLCHoklch(85.4% 0.058 211.3)

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 #A3DAE5 1.53:1 Fails Lc -27.8 Dividers and decoration only
Black text on #A3DAE5 13.71:1 AAA Lc 79.2 Fine for body text
#A3DAE5 text on white 1.53:1 Fails Lc 24.5 Dividers and decoration only
#A3DAE5 text on black 13.71:1 AAA Lc -78.6 Fine for body text

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 200.

  1. Step 50

    50

    #EEF7F9

    oklch(97% 0.01 212.5)

  2. Step 100

    100

    #DAEEF2

    oklch(93.6% 0.022 211)

  3. Step 200

    200 (this color)

    #A3DAE5

    oklch(85.4% 0.058 211.3)

  4. Step 300

    300

    #85CEDC

    oklch(80.8% 0.075 211)

  5. Step 400

    400

    #15B4CB

    oklch(70.7% 0.12 211.2)

  6. Step 500

    500

    #009BAF

    oklch(63.2% 0.11 210.8)

  7. Step 600

    600

    #008293

    oklch(55.6% 0.096 210.7)

  8. Step 700

    700

    #006D7C

    oklch(49% 0.085 211.2)

  9. Step 800

    800

    #005966

    oklch(42.6% 0.074 211.8)

  10. Step 900

    900

    #004B55

    oklch(37.8% 0.065 210)

  11. Step 950

    950

    #002C33

    oklch(26.9% 0.047 211.1)

Export this scale for Tailwind in the Tailwind colors tool

#A3DAE5 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)#D0D6E60.055
Deuteranopia (no green cones)#C5CDE50.051
Tritanopia (no blue cones)#8DDFDD0.030
Achromatopsia (no color)#D1D1D10.059

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3DAE5

    #A3DAE5

    oklch(85.4% 0.058 211.3)

  • #F3C2B8

    #F3C2B8

    oklch(85.5% 0.058 31.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3DAE5

    #A3DAE5

    oklch(85.4% 0.058 211.3)

  • #A5DCD1

    #A5DCD1

    oklch(85.3% 0.059 181.2)

  • #AED5F2

    #AED5F2

    oklch(85.5% 0.058 240.5)

Open the analogous palette in the generator

Split complementary

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

  • #A3DAE5

    #A3DAE5

    oklch(85.4% 0.058 211.3)

  • #F1C0CC

    #F1C0CC

    oklch(85.4% 0.058 2.1)

  • #ECC7A9

    #ECC7A9

    oklch(85.4% 0.058 60.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3DAE5

    #A3DAE5

    oklch(85.4% 0.058 211.3)

  • #E6C2E1

    #E6C2E1

    oklch(85.4% 0.058 330.7)

  • #DDCEA4

    #DDCEA4

    oklch(85.3% 0.058 90.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3DAE5

    #A3DAE5

    oklch(85.4% 0.058 211.3)

  • #D5C7F0

    #D5C7F0

    oklch(85.4% 0.058 300.8)

  • #F3C2B8

    #F3C2B8

    oklch(85.5% 0.058 31.6)

  • #C9D6AB

    #C9D6AB

    oklch(85.5% 0.059 121.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3DAE5, closest first.

Similar named colors

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

Use #A3DAE5 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.