#A3BBCD

Closest named color: Light Grey Blue (#9DBCD4). oklch(78% 0.037 240.4), rgb(163, 187, 205).

Aa

Black text reads best on this color (10.54:1).

About this color

#A3BBCD is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.037 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.011 away. Black text reads best on it, at 10.54:1.

Hue familyBlues
Lightnessmedium-light (78%)
Chromamuted (0.037)
Temperaturecool
Nearest nameLight Grey Blue (#9DBCD4)
Black text10.54:1
White text1.99:1

Values

HEX#A3BBCD
RGBrgb(163, 187, 205)
HSLhsl(206, 30%, 72%)
OKLCHoklch(78% 0.037 240.4)

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 #A3BBCD 1.99:1 Fails Lc -43.0 Non-text elements, placeholder text
Black text on #A3BBCD 10.54:1 AAA Lc 65.4 Content text, not long reading
#A3BBCD text on white 1.99:1 Fails Lc 38.5 Non-text elements, placeholder text
#A3BBCD text on black 10.54:1 AAA Lc -63.9 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

    #F3F6F8

    oklch(97.1% 0.004 236.5)

  2. Step 100

    100

    #E4EBF0

    oklch(93.6% 0.01 238.5)

  3. Step 200

    200

    #CEDBE6

    oklch(88.5% 0.021 243.4)

  4. Step 300

    300 (this color)

    #A3BBCD

    oklch(78% 0.037 240.4)

  5. Step 400

    400

    #80A6C2

    oklch(70.7% 0.058 240.6)

  6. Step 500

    500

    #5E90B3

    oklch(63.2% 0.075 240)

  7. Step 600

    600

    #43799F

    oklch(55.5% 0.083 241.1)

  8. Step 700

    700

    #356688

    oklch(49.1% 0.076 241)

  9. Step 800

    800

    #2C536E

    oklch(42.6% 0.063 240.7)

  10. Step 900

    900

    #284559

    oklch(37.7% 0.049 240)

  11. Step 950

    950

    #182834

    oklch(26.8% 0.031 241.7)

Export this scale for Tailwind in the Tailwind colors tool

#A3BBCD 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)#B4BACE0.022
Deuteranopia (no green cones)#AEB6CD0.019
Tritanopia (no blue cones)#98BFC10.028
Achromatopsia (no color)#B8B8B80.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3BBCD

    #A3BBCD

    oklch(78% 0.037 240.4)

  • #CAB2A0

    #CAB2A0

    oklch(77.9% 0.037 59.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3BBCD

    #A3BBCD

    oklch(78% 0.037 240.4)

  • #9DBEC5

    #9DBEC5

    oklch(77.9% 0.037 212)

  • #AEB7D0

    #AEB7D0

    oklch(78% 0.037 269.8)

Open the analogous palette in the generator

Split complementary

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

  • #A3BBCD

    #A3BBCD

    oklch(78% 0.037 240.4)

  • #CEAFA9

    #CEAFA9

    oklch(77.9% 0.037 30.8)

  • #C0B79D

    #C0B79D

    oklch(78% 0.037 91.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3BBCD

    #A3BBCD

    oklch(78% 0.037 240.4)

  • #CCAEB6

    #CCAEB6

    oklch(77.9% 0.036 0.1)

  • #B4BBA1

    #B4BBA1

    oklch(77.9% 0.037 119.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3BBCD

    #A3BBCD

    oklch(78% 0.037 240.4)

  • #C6AFC3

    #C6AFC3

    oklch(78% 0.038 330.2)

  • #CAB2A0

    #CAB2A0

    oklch(77.9% 0.037 59.1)

  • #A7BEAB

    #A7BEAB

    oklch(77.9% 0.037 150.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3BBCD, closest first.

Similar named colors

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

Use #A3BBCD 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.