#AECDE3
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.3% 0.045 239), rgb(174, 205, 227).
Aa
Black text reads best on this color (12.64:1).
About this color
#AECDE3 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.045 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.64:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.64:1 |
| White text | 1.66:1 |
Values
| HEX | #AECDE3 |
| RGB | rgb(174, 205, 227) |
| HSL | hsl(205, 49%, 79%) |
| OKLCH | oklch(83.3% 0.045 239) |
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 #AECDE3 | 1.66:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #AECDE3 | 12.64:1 | AAA | Lc 74.7 | Content text, not long reading |
| #AECDE3 text on white | 1.66:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #AECDE3 text on black | 12.64:1 | AAA | Lc -73.7 | 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
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300 (this color)
#AECDE3
oklch(83.3% 0.045 239)
-
Step 400
400
#76A7C9
oklch(70.6% 0.072 239.4)
-
Step 500
500
#5091BC
oklch(63.1% 0.093 239.5)
-
Step 600
600
#307BA8
oklch(55.7% 0.101 238.8)
-
Step 700
700
#226790
oklch(49.1% 0.094 239.3)
-
Step 800
800
#1F5475
oklch(42.7% 0.078 239.7)
-
Step 900
900
#1F465E
oklch(37.7% 0.06 238.3)
-
Step 950
950
#132937
oklch(27% 0.038 238.3)
#AECDE3 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) | #C4CCE4 | 0.028 |
| Deuteranopia (no green cones) | #BCC6E3 | 0.024 |
| Tritanopia (no blue cones) | #9FD3D4 | 0.036 |
| Achromatopsia (no color) | #C9C9C9 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECDE3
#AECDE3
oklch(83.3% 0.045 239)
- #DFC2AC
#DFC2AC
oklch(83.3% 0.045 59.3)
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 #AECDE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.038
- Celeste #A8DADC ΔE 0.040
- Sky Blue #87CEEB ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.045
Use #AECDE3 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.