#AEC7DB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.7% 0.039 242.2), rgb(174, 199, 219).
Aa
Black text reads best on this color (11.99:1).
About this color
#AEC7DB is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.039 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.011 away. Black text reads best on it, at 11.99:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.99:1 |
| White text | 1.75:1 |
Values
| HEX | #AEC7DB |
| RGB | rgb(174, 199, 219) |
| HSL | hsl(207, 38%, 77%) |
| OKLCH | oklch(81.7% 0.039 242.2) |
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 #AEC7DB | 1.75:1 | Fails | Lc -35.9 | Non-text elements, placeholder text |
| Black text on #AEC7DB | 11.99:1 | AAA | Lc 71.9 | Content text, not long reading |
| #AEC7DB text on white | 1.75:1 | Fails | Lc 32.0 | Non-text elements, placeholder text |
| #AEC7DB text on black | 11.99:1 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300 (this color)
#AEC7DB
oklch(81.7% 0.039 242.2)
-
Step 400
400
#7EA6C5
oklch(70.7% 0.063 242)
-
Step 500
500
#5C8FB6
oklch(63% 0.081 242.5)
-
Step 600
600
#4179A2
oklch(55.6% 0.087 242.3)
-
Step 700
700
#33668B
oklch(49.2% 0.081 242.4)
-
Step 800
800
#2B5371
oklch(42.7% 0.067 242.9)
-
Step 900
900
#27455B
oklch(37.7% 0.052 241.8)
-
Step 950
950
#172835
oklch(26.8% 0.033 242.4)
#AEC7DB 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) | #BFC6DC | 0.022 |
| Deuteranopia (no green cones) | #B9C1DB | 0.020 |
| Tritanopia (no blue cones) | #A2CCCD | 0.032 |
| Achromatopsia (no color) | #C4C4C4 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC7DB
#AEC7DB
oklch(81.7% 0.039 242.2)
- #D6BEAA
#D6BEAA
oklch(81.6% 0.039 62.1)
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 #AEC7DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.011
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.016
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.038
- Silver #C0C0C0 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
Use #AEC7DB 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.