#AAC2EB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81% 0.064 261.1), rgb(170, 194, 235).
Aa
Black text reads best on this color (11.62:1).
About this color
#AAC2EB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.064 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.022 away. Black text reads best on it, at 11.62:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.62:1 |
| White text | 1.80:1 |
Values
| HEX | #AAC2EB |
| RGB | rgb(170, 194, 235) |
| HSL | hsl(218, 62%, 79%) |
| OKLCH | oklch(81% 0.064 261.1) |
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 #AAC2EB | 1.80:1 | Fails | Lc -37.6 | Non-text elements, placeholder text |
| Black text on #AAC2EB | 11.62:1 | AAA | Lc 70.3 | Content text, not long reading |
| #AAC2EB text on white | 1.80:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #AAC2EB text on black | 11.62:1 | AAA | Lc -69.0 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300 (this color)
#AAC2EB
oklch(81% 0.064 261.1)
-
Step 400
400
#7CA1E1
oklch(70.7% 0.103 261)
-
Step 500
500
#5B88D8
oklch(63.1% 0.131 261.2)
-
Step 600
600
#4170C5
oklch(55.5% 0.142 261.2)
-
Step 700
700
#335EAB
oklch(49.2% 0.132 261)
-
Step 800
800
#2B4D8A
oklch(42.7% 0.109 261.1)
-
Step 900
900
#27406E
oklch(37.6% 0.085 261.6)
-
Step 950
950
#172641
oklch(27% 0.055 261.4)
#AAC2EB 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) | #B4C4ED | 0.015 |
| Deuteranopia (no green cones) | #AEBEEA | 0.011 |
| Tritanopia (no blue cones) | #98CACF | 0.057 |
| Achromatopsia (no color) | #C1C1C1 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC2EB
#AAC2EB
oklch(81% 0.064 261.1)
- #D6BD92
#D6BD92
oklch(80.9% 0.064 81)
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 #AAC2EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.041
Use #AAC2EB 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.