#AECFF9
Closest named color: Baby Blue (#A2CFFE). oklch(84.5% 0.069 254.6), rgb(174, 207, 249).
Aa
Black text reads best on this color (13.09:1).
About this color
#AECFF9 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.069 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.015 away. Black text reads best on it, at 13.09:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #AECFF9 |
| RGB | rgb(174, 207, 249) |
| HSL | hsl(214, 86%, 83%) |
| OKLCH | oklch(84.5% 0.069 254.6) |
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 #AECFF9 | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #AECFF9 | 13.09:1 | AAA | Lc 76.6 | Fine for body text |
| #AECFF9 text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #AECFF9 text on black | 13.09:1 | AAA | Lc -75.8 | Fine for body text |
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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300 (this color)
#AECFF9
oklch(84.5% 0.069 254.6)
-
Step 400
400
#70A3E4
oklch(70.6% 0.11 255)
-
Step 500
500
#488BDC
oklch(63.1% 0.14 254.5)
-
Step 600
600
#2773CA
oklch(55.5% 0.153 254.7)
-
Step 700
700
#1960AF
oklch(49.1% 0.143 254.7)
-
Step 800
800
#184F8D
oklch(42.7% 0.117 254.4)
-
Step 900
900
#1B4271
oklch(37.7% 0.092 254.8)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#AECFF9 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) | #C0D0FB | 0.023 |
| Deuteranopia (no green cones) | #B8C9F8 | 0.019 |
| Tritanopia (no blue cones) | #98D8DD | 0.059 |
| Achromatopsia (no color) | #CCCCCC | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFF9
#AECFF9
oklch(84.5% 0.069 254.6)
- #E7C69A
#E7C69A
oklch(84.4% 0.069 74.6)
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 #AECFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.015
- Light Blue Grey #B7C9E2 ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.049
Use #AECFF9 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.