#AEC9D4
Closest named color: Cloudy Blue (#ACC2D9). oklch(81.9% 0.033 224.3), rgb(174, 201, 212).
Aa
Black text reads best on this color (12.10:1).
About this color
#AEC9D4 is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.033 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.023 away. Black text reads best on it, at 12.10:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 12.10:1 |
| White text | 1.73:1 |
Values
| HEX | #AEC9D4 |
| RGB | rgb(174, 201, 212) |
| HSL | hsl(197, 31%, 76%) |
| OKLCH | oklch(81.9% 0.033 224.3) |
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 #AEC9D4 | 1.73:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #AEC9D4 | 12.10:1 | AAA | Lc 72.4 | Content text, not long reading |
| #AEC9D4 text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #AEC9D4 text on black | 12.10:1 | AAA | Lc -71.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300 (this color)
#AEC9D4
oklch(81.9% 0.033 224.3)
-
Step 400
400
#7DA8B9
oklch(70.6% 0.053 224.3)
-
Step 500
500
#5A93A8
oklch(63.2% 0.068 223.6)
-
Step 600
600
#3E7D93
oklch(55.7% 0.073 223.4)
-
Step 700
700
#2F697E
oklch(49.1% 0.069 224.7)
-
Step 800
800
#285666
oklch(42.8% 0.057 223.4)
-
Step 900
900
#264753
oklch(37.8% 0.044 223.6)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#AEC9D4 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) | #C3C7D5 | 0.027 |
| Deuteranopia (no green cones) | #BDC2D4 | 0.026 |
| Tritanopia (no blue cones) | #A4CDCC | 0.022 |
| Achromatopsia (no color) | #C5C5C5 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC9D4
#AEC9D4
oklch(81.9% 0.033 224.3)
- #D7BEB3
#D7BEB3
oklch(82% 0.032 45.2)
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 #AEC9D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.024
- Silver #C0C0C0 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.040
- Celeste #A8DADC ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.044
Use #AEC9D4 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.