#AAC8DA
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.6% 0.041 234.3), rgb(170, 200, 218).
Aa
Black text reads best on this color (11.98:1).
About this color
#AAC8DA is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.041 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.015 away. Black text reads best on it, at 11.98:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.98:1 |
| White text | 1.75:1 |
Values
| HEX | #AAC8DA |
| RGB | rgb(170, 200, 218) |
| HSL | hsl(203, 39%, 76%) |
| OKLCH | oklch(81.6% 0.041 234.3) |
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 #AAC8DA | 1.75:1 | Fails | Lc -35.9 | Non-text elements, placeholder text |
| Black text on #AAC8DA | 11.98:1 | AAA | Lc 71.9 | Content text, not long reading |
| #AAC8DA text on white | 1.75:1 | Fails | Lc 32.0 | Non-text elements, placeholder text |
| #AAC8DA text on black | 11.98:1 | AAA | Lc -70.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300 (this color)
#AAC8DA
oklch(81.6% 0.041 234.3)
-
Step 400
400
#78A8C4
oklch(70.8% 0.066 234.5)
-
Step 500
500
#5292B5
oklch(63.1% 0.084 234.2)
-
Step 600
600
#347CA1
oklch(55.7% 0.091 234.2)
-
Step 700
700
#25688A
oklch(49.1% 0.086 234.7)
-
Step 800
800
#215570
oklch(42.7% 0.071 234.6)
-
Step 900
900
#21465A
oklch(37.6% 0.054 234.4)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#AAC8DA 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) | #C0C7DB | 0.028 |
| Deuteranopia (no green cones) | #B9C1DA | 0.025 |
| Tritanopia (no blue cones) | #9DCDCE | 0.030 |
| Achromatopsia (no color) | #C4C4C4 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC8DA
#AAC8DA
oklch(81.6% 0.041 234.3)
- #D9BDAA
#D9BDAA
oklch(81.7% 0.041 56.2)
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 #AAC8DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.015
- Cloudy Blue #ACC2D9 ΔE 0.016
- Light Blue Grey #B7C9E2 ΔE 0.021
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.037
- Sky Blue #87CEEB ΔE 0.042
- Silver #C0C0C0 ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.042
Use #AAC8DA 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.