#AABBD3
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.7% 0.039 257), rgb(170, 187, 211).
Aa
Black text reads best on this color (10.75:1).
About this color
#AABBD3 is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.039 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.016 away. Black text reads best on it, at 10.75:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.75:1 |
| White text | 1.95:1 |
Values
| HEX | #AABBD3 |
| RGB | rgb(170, 187, 211) |
| HSL | hsl(215, 32%, 75%) |
| OKLCH | oklch(78.7% 0.039 257) |
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 #AABBD3 | 1.95:1 | Fails | Lc -41.9 | Non-text elements, placeholder text |
| Black text on #AABBD3 | 10.75:1 | AAA | Lc 66.4 | Content text, not long reading |
| #AABBD3 text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #AABBD3 text on black | 10.75:1 | AAA | Lc -64.9 | 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.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300 (this color)
#AABBD3
oklch(78.7% 0.039 257)
-
Step 400
400
#88A2C8
oklch(70.6% 0.063 257.8)
-
Step 500
500
#6A8BBA
oklch(63.1% 0.081 257.2)
-
Step 600
600
#5275A6
oklch(55.7% 0.087 256.9)
-
Step 700
700
#42628E
oklch(49.1% 0.08 256.6)
-
Step 800
800
#375073
oklch(42.7% 0.066 256.9)
-
Step 900
900
#2F425D
oklch(37.5% 0.053 257.2)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#AABBD3 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) | #B3BCD4 | 0.013 |
| Deuteranopia (no green cones) | #AFB8D2 | 0.009 |
| Tritanopia (no blue cones) | #A0C0C3 | 0.033 |
| Achromatopsia (no color) | #B9B9B9 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBD3
#AABBD3
oklch(78.7% 0.039 257)
- #C8B79E
#C8B79E
oklch(78.7% 0.039 77.5)
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 #AABBD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.019
- Light Cornflower Blue #98C1D9 ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.027
- French Gray #ADB5BD ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.043
- Silver #C0C0C0 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.060
Use #AABBD3 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.