#AEC5E2
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.6% 0.048 254.3), rgb(174, 197, 226).
Aa
Black text reads best on this color (11.88:1).
About this color
#AEC5E2 is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.048 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.006 away. Black text reads best on it, at 11.88:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC5E2 |
| RGB | rgb(174, 197, 226) |
| HSL | hsl(213, 47%, 78%) |
| OKLCH | oklch(81.6% 0.048 254.3) |
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 #AEC5E2 | 1.76:1 | Fails | Lc -36.4 | Non-text elements, placeholder text |
| Black text on #AEC5E2 | 11.88:1 | AAA | Lc 71.4 | Content text, not long reading |
| #AEC5E2 text on white | 1.76:1 | Fails | Lc 32.4 | Non-text elements, placeholder text |
| #AEC5E2 text on black | 11.88:1 | AAA | Lc -70.2 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CDDAEB
oklch(88.4% 0.027 255.1)
-
Step 300
300 (this color)
#AEC5E2
oklch(81.6% 0.048 254.3)
-
Step 400
400
#80A3D0
oklch(70.6% 0.077 255)
-
Step 500
500
#5F8CC4
oklch(63.1% 0.098 254.5)
-
Step 600
600
#4575B0
oklch(55.5% 0.106 254.5)
-
Step 700
700
#366298
oklch(49.1% 0.1 254.6)
-
Step 800
800
#2D507B
oklch(42.6% 0.083 254.5)
-
Step 900
900
#294363
oklch(37.8% 0.064 254.3)
-
Step 950
950
#18273A
oklch(26.9% 0.041 254.8)
#AEC5E2 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) | #BBC6E3 | 0.017 |
| Deuteranopia (no green cones) | #B5C0E1 | 0.015 |
| Tritanopia (no blue cones) | #A0CBCE | 0.042 |
| Achromatopsia (no color) | #C3C3C3 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC5E2
#AEC5E2
oklch(81.6% 0.048 254.3)
- #D6BFA1
#D6BFA1
oklch(81.6% 0.048 74.4)
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 #AEC5E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.006
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.017
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.046
Use #AEC5E2 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.