#AABDDB
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.4% 0.048 259.5), rgb(170, 189, 219).
Aa
Black text reads best on this color (11.01:1).
About this color
#AABDDB is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.048 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.015 away. Black text reads best on it, at 11.01:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.01:1 |
| White text | 1.90:1 |
Values
| HEX | #AABDDB |
| RGB | rgb(170, 189, 219) |
| HSL | hsl(217, 40%, 76%) |
| OKLCH | oklch(79.4% 0.048 259.5) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #AABDDB | 1.90:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #AABDDB | 11.01:1 | AAA | Lc 67.5 | Content text, not long reading |
| #AABDDB text on white | 1.90:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #AABDDB text on black | 11.01:1 | AAA | Lc -66.1 | 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.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300 (this color)
#AABDDB
oklch(79.4% 0.048 259.5)
-
Step 400
400
#84A2D0
oklch(70.7% 0.076 258.8)
-
Step 500
500
#668AC4
oklch(63.1% 0.097 259.7)
-
Step 600
600
#4D73B1
oklch(55.6% 0.106 259.8)
-
Step 700
700
#3E6098
oklch(49% 0.099 259.9)
-
Step 800
800
#334F7B
oklch(42.7% 0.081 259.1)
-
Step 900
900
#2D4263
oklch(37.7% 0.063 259.2)
-
Step 950
950
#1B273A
oklch(27.1% 0.039 259.4)
#AABDDB 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #B3BEDC | 0.012 |
| Deuteranopia (no green cones) | #AEBADA | 0.009 |
| Tritanopia (no blue cones) | #9DC3C7 | 0.042 |
| Achromatopsia (no color) | #BCBCBC | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABDDB
#AABDDB
oklch(79.4% 0.048 259.5)
- #CCB99A
#CCB99A
oklch(79.4% 0.047 80)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AABDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.015
- Light Grey Blue #9DBCD4 ΔE 0.020
- Light Steel Blue #B0C4DE ΔE 0.021
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.037
- French Gray #ADB5BD ΔE 0.042
- Silver #C0C0C0 ΔE 0.050
- Pastel Blue #A2BFFE ΔE 0.050
Use #AABDDB 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.