#AABBDD
Closest named color: Cloudy Blue (#ACC2D9). oklch(79% 0.052 264.2), rgb(170, 187, 221).
Aa
Black text reads best on this color (10.86:1).
About this color
#AABBDD is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.052 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.022 away. Black text reads best on it, at 10.86:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #AABBDD |
| RGB | rgb(170, 187, 221) |
| HSL | hsl(220, 43%, 77%) |
| OKLCH | oklch(79% 0.052 264.2) |
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 #AABBDD | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #AABBDD | 10.86:1 | AAA | Lc 66.8 | Content text, not long reading |
| #AABBDD text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #AABBDD text on black | 10.86:1 | AAA | Lc -65.4 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300 (this color)
#AABBDD
oklch(79% 0.052 264.2)
-
Step 400
400
#86A0D5
oklch(70.6% 0.083 264.1)
-
Step 500
500
#6988CA
oklch(63.1% 0.106 264.4)
-
Step 600
600
#5071B7
oklch(55.6% 0.116 263.9)
-
Step 700
700
#415E9D
oklch(49% 0.107 264.2)
-
Step 800
800
#364D80
oklch(42.7% 0.09 264.6)
-
Step 900
900
#2F4166
oklch(37.8% 0.068 263.7)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#AABBDD 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) | #B0BDDF | 0.010 |
| Deuteranopia (no green cones) | #ACB8DC | 0.008 |
| Tritanopia (no blue cones) | #9DC2C6 | 0.047 |
| Achromatopsia (no color) | #BABABA | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBDD
#AABBDD
oklch(79% 0.052 264.2)
- #CAB995
#CAB995
oklch(79.1% 0.052 85.7)
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 #AABBDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.022
- Light Grey Blue #9DBCD4 ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.042
- French Gray #ADB5BD ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.046
- Silver #C0C0C0 ΔE 0.055
Use #AABBDD 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.