#AECFD9
Closest named color: Light Blue (#ADD8E6). oklch(83.4% 0.038 218), rgb(174, 207, 217).
Aa
Black text reads best on this color (12.72:1).
About this color
#AECFD9 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.038 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.025 away. Black text reads best on it, at 12.72:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.72:1 |
| White text | 1.65:1 |
Values
| HEX | #AECFD9 |
| RGB | rgb(174, 207, 217) |
| HSL | hsl(194, 36%, 77%) |
| OKLCH | oklch(83.4% 0.038 218) |
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 #AECFD9 | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #AECFD9 | 12.72:1 | AAA | Lc 75.1 | Fine for body text |
| #AECFD9 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #AECFD9 text on black | 12.72:1 | AAA | Lc -74.1 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300 (this color)
#AECFD9
oklch(83.4% 0.038 218)
-
Step 400
400
#75AABA
oklch(70.7% 0.06 218.7)
-
Step 500
500
#4D95A9
oklch(63.1% 0.078 218.2)
-
Step 600
600
#2C7F94
oklch(55.6% 0.084 218)
-
Step 700
700
#1D6B7E
oklch(49.1% 0.078 218)
-
Step 800
800
#1B5767
oklch(42.6% 0.065 219.2)
-
Step 900
900
#1E4853
oklch(37.7% 0.05 217.5)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#AECFD9 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) | #C8CDDA | 0.033 |
| Deuteranopia (no green cones) | #C1C7D9 | 0.031 |
| Tritanopia (no blue cones) | #A2D3D2 | 0.022 |
| Achromatopsia (no color) | #C9C9C9 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFD9
#AECFD9
oklch(83.4% 0.038 218)
- #E0C1B7
#E0C1B7
oklch(83.5% 0.038 38.7)
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 #AECFD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.026
- Celeste #A8DADC ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.044
- Silver #C0C0C0 ΔE 0.046
Use #AECFD9 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.