#AECDD9
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.9% 0.037 223.2), rgb(174, 205, 217).
Aa
Black text reads best on this color (12.53:1).
About this color
#AECDD9 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.037 and its hue 223°. 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 12.53:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.53:1 |
| White text | 1.67:1 |
Values
| HEX | #AECDD9 |
| RGB | rgb(174, 205, 217) |
| HSL | hsl(197, 36%, 77%) |
| OKLCH | oklch(82.9% 0.037 223.2) |
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 #AECDD9 | 1.67:1 | Fails | Lc -33.3 | Non-text elements, placeholder text |
| Black text on #AECDD9 | 12.53:1 | AAA | Lc 74.2 | Content text, not long reading |
| #AECDD9 text on white | 1.67:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #AECDD9 text on black | 12.53:1 | AAA | Lc -73.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEF
oklch(93.7% 0.01 219.6)
-
Step 200
200
#CBDCE3
oklch(88.4% 0.021 224.3)
-
Step 300
300 (this color)
#AECDD9
oklch(82.9% 0.037 223.2)
-
Step 400
400
#77A9BC
oklch(70.6% 0.06 223.6)
-
Step 500
500
#5294AB
oklch(63.2% 0.076 222.8)
-
Step 600
600
#327E97
oklch(55.7% 0.083 223.1)
-
Step 700
700
#246A81
oklch(49.1% 0.077 223.7)
-
Step 800
800
#205668
oklch(42.6% 0.063 223.4)
-
Step 900
900
#204755
oklch(37.6% 0.05 224.1)
-
Step 950
950
#142A32
oklch(27.1% 0.032 223.6)
#AECDD9 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) | #C6CBDA | 0.031 |
| Deuteranopia (no green cones) | #BFC6D9 | 0.027 |
| Tritanopia (no blue cones) | #A2D1D1 | 0.023 |
| Achromatopsia (no color) | #C8C8C8 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECDD9
#AECDD9
oklch(82.9% 0.037 223.2)
- #DDC0B4
#DDC0B4
oklch(82.9% 0.037 43.8)
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 #AECDD9, 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 Steel Blue #B0C4DE ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.030
- Celeste #A8DADC ΔE 0.034
- Silver #C0C0C0 ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.047
Use #AECDD9 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.