#AEC7E4
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.1% 0.049 252.3), rgb(174, 199, 228).
Aa
Black text reads best on this color (12.08:1).
About this color
#AEC7E4 is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.049 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.010 away. Black text reads best on it, at 12.08:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.08:1 |
| White text | 1.73:1 |
Values
| HEX | #AEC7E4 |
| RGB | rgb(174, 199, 228) |
| HSL | hsl(212, 50%, 79%) |
| OKLCH | oklch(82.1% 0.049 252.3) |
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 #AEC7E4 | 1.73:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #AEC7E4 | 12.08:1 | AAA | Lc 72.3 | Content text, not long reading |
| #AEC7E4 text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #AEC7E4 text on black | 12.08:1 | AAA | Lc -71.2 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300 (this color)
#AEC7E4
oklch(82.1% 0.049 252.3)
-
Step 400
400
#7DA4D1
oklch(70.7% 0.079 252.5)
-
Step 500
500
#5B8DC5
oklch(63.2% 0.101 252.2)
-
Step 600
600
#4076B1
oklch(55.6% 0.109 252.2)
-
Step 700
700
#326398
oklch(49.1% 0.101 252.2)
-
Step 800
800
#2A517C
oklch(42.8% 0.085 252.4)
-
Step 900
900
#264363
oklch(37.6% 0.065 252.1)
-
Step 950
950
#17283A
oklch(27.1% 0.041 250.8)
#AEC7E4 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) | #BDC8E5 | 0.020 |
| Deuteranopia (no green cones) | #B6C2E3 | 0.015 |
| Tritanopia (no blue cones) | #9FCDD0 | 0.042 |
| Achromatopsia (no color) | #C4C4C4 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC7E4
#AEC7E4
oklch(82.1% 0.049 252.3)
- #D9C0A2
#D9C0A2
oklch(82.1% 0.049 72.1)
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 #AEC7E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.010
- Light Blue Grey #B7C9E2 ΔE 0.014
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.045
Use #AEC7E4 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.