#AECDE1
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.2% 0.044 236.4), rgb(174, 205, 225).
Aa
Black text reads best on this color (12.61:1).
About this color
#AECDE1 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.044 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.015 away. Black text reads best on it, at 12.61:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.61:1 |
| White text | 1.66:1 |
Values
| HEX | #AECDE1 |
| RGB | rgb(174, 205, 225) |
| HSL | hsl(204, 46%, 78%) |
| OKLCH | oklch(83.2% 0.044 236.4) |
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 #AECDE1 | 1.66:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #AECDE1 | 12.61:1 | AAA | Lc 74.6 | Content text, not long reading |
| #AECDE1 text on white | 1.66:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #AECDE1 text on black | 12.61:1 | AAA | Lc -73.6 | 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
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300 (this color)
#AECDE1
oklch(83.2% 0.044 236.4)
-
Step 400
400
#76A8C7
oklch(70.8% 0.07 236.3)
-
Step 500
500
#5092B8
oklch(63.2% 0.088 235.8)
-
Step 600
600
#317BA4
oklch(55.5% 0.096 236.6)
-
Step 700
700
#22688D
oklch(49.2% 0.09 236.2)
-
Step 800
800
#1F5572
oklch(42.8% 0.074 235.8)
-
Step 900
900
#1F465C
oklch(37.6% 0.058 235.9)
-
Step 950
950
#132936
oklch(26.9% 0.037 236.3)
#AECDE1 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) | #C4CCE2 | 0.028 |
| Deuteranopia (no green cones) | #BDC6E1 | 0.025 |
| Tritanopia (no blue cones) | #A0D2D3 | 0.033 |
| Achromatopsia (no color) | #C9C9C9 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECDE1
#AECDE1
oklch(83.2% 0.044 236.4)
- #DFC1AD
#DFC1AD
oklch(83.1% 0.044 55.7)
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 #AECDE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.015
- Light Steel Blue #B0C4DE ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.029
- Celeste #A8DADC ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.044
Use #AECDE1 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.