#AAC7EE
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.2% 0.064 255.9), rgb(170, 199, 238).
Aa
Black text reads best on this color (12.11:1).
About this color
#AAC7EE is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.064 and its hue 256°. 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 12.11:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.11:1 |
| White text | 1.73:1 |
Values
| HEX | #AAC7EE |
| RGB | rgb(170, 199, 238) |
| HSL | hsl(214, 67%, 80%) |
| OKLCH | oklch(82.2% 0.064 255.9) |
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 #AAC7EE | 1.73:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #AAC7EE | 12.11:1 | AAA | Lc 72.4 | Content text, not long reading |
| #AAC7EE text on white | 1.73:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #AAC7EE text on black | 12.11:1 | AAA | Lc -71.3 | 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
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF1
oklch(88.6% 0.035 254.9)
-
Step 300
300 (this color)
#AAC7EE
oklch(82.2% 0.064 255.9)
-
Step 400
400
#76A3DF
oklch(70.7% 0.101 255.9)
-
Step 500
500
#518BD6
oklch(63.1% 0.129 255.6)
-
Step 600
600
#3473C4
oklch(55.6% 0.142 256)
-
Step 700
700
#2660A9
oklch(49% 0.131 255.9)
-
Step 800
800
#214F89
oklch(42.7% 0.109 255.7)
-
Step 900
900
#21426E
oklch(37.8% 0.085 256.3)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#AAC7EE 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) | #B9C8F0 | 0.020 |
| Deuteranopia (no green cones) | #B2C2ED | 0.015 |
| Tritanopia (no blue cones) | #97CFD4 | 0.054 |
| Achromatopsia (no color) | #C5C5C5 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC7EE
#AAC7EE
oklch(82.2% 0.064 255.9)
- #DDC097
#DDC097
oklch(82.3% 0.064 76.2)
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 #AAC7EE, 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
- Light Blue Grey #B7C9E2 ΔE 0.025
- Baby Blue #A2CFFE ΔE 0.026
- Cloudy Blue #ACC2D9 ΔE 0.029
- Pastel Blue #A2BFFE ΔE 0.037
- Light Periwinkle #C1C6FC ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.040
Use #AAC7EE 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.