#AABBCF
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.5% 0.034 252.5), rgb(170, 187, 207).
Aa
Black text reads best on this color (10.71:1).
About this color
#AABBCF is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.034 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.017 away. Black text reads best on it, at 10.71:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.71:1 |
| White text | 1.95:1 |
Values
| HEX | #AABBCF |
| RGB | rgb(170, 187, 207) |
| HSL | hsl(212, 28%, 74%) |
| OKLCH | oklch(78.5% 0.034 252.5) |
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 #AABBCF | 1.95:1 | Fails | Lc -42.1 | Non-text elements, placeholder text |
| Black text on #AABBCF | 10.71:1 | AAA | Lc 66.2 | Content text, not long reading |
| #AABBCF text on white | 1.95:1 | Fails | Lc 37.7 | Non-text elements, placeholder text |
| #AABBCF text on black | 10.71:1 | AAA | Lc -64.7 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300 (this color)
#AABBCF
oklch(78.5% 0.034 252.5)
-
Step 400
400
#89A3C2
oklch(70.7% 0.054 253)
-
Step 500
500
#6B8CB3
oklch(63% 0.07 253)
-
Step 600
600
#52769F
oklch(55.6% 0.076 252.4)
-
Step 700
700
#436388
oklch(49.1% 0.071 252.8)
-
Step 800
800
#37516E
oklch(42.7% 0.058 251.9)
-
Step 900
900
#304359
oklch(37.7% 0.045 252.6)
-
Step 950
950
#1C2734
oklch(26.9% 0.029 253)
#AABBCF 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) | #B4BBD0 | 0.013 |
| Deuteranopia (no green cones) | #B0B7CF | 0.013 |
| Tritanopia (no blue cones) | #A1BFC1 | 0.029 |
| Achromatopsia (no color) | #B9B9B9 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBCF
#AABBCF
oklch(78.5% 0.034 252.5)
- #C7B6A2
#C7B6A2
oklch(78.5% 0.034 71.8)
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 #AABBCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.017
- Cloudy Blue #ACC2D9 ΔE 0.021
- French Gray #ADB5BD ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.030
- Silver #C0C0C0 ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.045
- Dark Gray #A9A9A9 ΔE 0.061
Use #AABBCF 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.