#AECFF1
Closest named color: Baby Blue (#A2CFFE). oklch(84.2% 0.059 249.3), rgb(174, 207, 241).
Aa
Black text reads best on this color (12.99:1).
About this color
#AECFF1 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.059 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.022 away. Black text reads best on it, at 12.99:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.99:1 |
| White text | 1.61:1 |
Values
| HEX | #AECFF1 |
| RGB | rgb(174, 207, 241) |
| HSL | hsl(210, 71%, 81%) |
| OKLCH | oklch(84.2% 0.059 249.3) |
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 #AECFF1 | 1.61:1 | Fails | Lc -31.2 | Non-text elements, placeholder text |
| Black text on #AECFF1 | 12.99:1 | AAA | Lc 76.2 | Fine for body text |
| #AECFF1 text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #AECFF1 text on black | 12.99:1 | AAA | Lc -75.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300 (this color)
#AECFF1
oklch(84.2% 0.059 249.3)
-
Step 400
400
#71A5DA
oklch(70.6% 0.096 249.8)
-
Step 500
500
#498ED0
oklch(63.1% 0.122 249.4)
-
Step 600
600
#2877BD
oklch(55.7% 0.132 249.4)
-
Step 700
700
#1964A3
oklch(49.2% 0.123 249.1)
-
Step 800
800
#185184
oklch(42.6% 0.103 249.7)
-
Step 900
900
#1B446A
oklch(37.7% 0.08 249.3)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#AECFF1 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) | #C2CFF3 | 0.025 |
| Deuteranopia (no green cones) | #BAC8F0 | 0.022 |
| Tritanopia (no blue cones) | #9BD7DA | 0.050 |
| Achromatopsia (no color) | #CBCBCB | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFF1
#AECFF1
oklch(84.2% 0.059 249.3)
- #E5C5A2
#E5C5A2
oklch(84.2% 0.059 69.4)
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 #AECFF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.045
Use #AECFF1 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.