#AECFDD
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.5% 0.04 225.4), rgb(174, 207, 221).
Aa
Black text reads best on this color (12.76:1).
About this color
#AECFDD is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.040 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.022 away. Black text reads best on it, at 12.76:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.76:1 |
| White text | 1.64:1 |
Values
| HEX | #AECFDD |
| RGB | rgb(174, 207, 221) |
| HSL | hsl(198, 41%, 77%) |
| OKLCH | oklch(83.5% 0.04 225.4) |
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 #AECFDD | 1.64:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #AECFDD | 12.76:1 | AAA | Lc 75.2 | Fine for body text |
| #AECFDD text on white | 1.64:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #AECFDD text on black | 12.76:1 | AAA | Lc -74.3 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300 (this color)
#AECFDD
oklch(83.5% 0.04 225.4)
-
Step 400
400
#74AABF
oklch(70.8% 0.064 224.3)
-
Step 500
500
#4D94AF
oklch(63.1% 0.082 225.2)
-
Step 600
600
#2B7E9B
oklch(55.6% 0.09 225.4)
-
Step 700
700
#1C6A84
oklch(49.1% 0.083 225.2)
-
Step 800
800
#1B576B
oklch(42.8% 0.068 224.2)
-
Step 900
900
#1D4757
oklch(37.6% 0.054 226)
-
Step 950
950
#122A33
oklch(27% 0.034 224.8)
#AECFDD 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) | #C7CDDE | 0.032 |
| Deuteranopia (no green cones) | #C0C7DD | 0.030 |
| Tritanopia (no blue cones) | #A1D3D3 | 0.026 |
| Achromatopsia (no color) | #CACACA | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFDD
#AECFDD
oklch(83.5% 0.04 225.4)
- #E0C1B4
#E0C1B4
oklch(83.4% 0.04 44.1)
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 #AECFDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Blue #ADD8E6 ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.030
- Celeste #A8DADC ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.045
- Sky Blue #87CEEB ΔE 0.046
Use #AECFDD 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.