#AECFF3
Closest named color: Baby Blue (#A2CFFE). oklch(84.3% 0.062 250.8), rgb(174, 207, 243).
Aa
Black text reads best on this color (13.01:1).
About this color
#AECFF3 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.062 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.020 away. Black text reads best on it, at 13.01:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.01:1 |
| White text | 1.61:1 |
Values
| HEX | #AECFF3 |
| RGB | rgb(174, 207, 243) |
| HSL | hsl(211, 74%, 82%) |
| OKLCH | oklch(84.3% 0.062 250.8) |
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 #AECFF3 | 1.61:1 | Fails | Lc -31.0 | Non-text elements, placeholder text |
| Black text on #AECFF3 | 13.01:1 | AAA | Lc 76.3 | Fine for body text |
| #AECFF3 text on white | 1.61:1 | Fails | Lc 27.5 | Dividers and decoration only |
| #AECFF3 text on black | 13.01:1 | AAA | Lc -75.5 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300 (this color)
#AECFF3
oklch(84.3% 0.062 250.8)
-
Step 400
400
#71A5DC
oklch(70.7% 0.098 250.7)
-
Step 500
500
#498DD3
oklch(63.1% 0.127 251.1)
-
Step 600
600
#2776C0
oklch(55.6% 0.137 250.7)
-
Step 700
700
#1963A6
oklch(49.2% 0.128 250.8)
-
Step 800
800
#185186
oklch(42.7% 0.105 250.6)
-
Step 900
900
#1B436B
oklch(37.6% 0.082 250.9)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#AECFF3 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) | #C2D0F5 | 0.026 |
| Deuteranopia (no green cones) | #BAC8F2 | 0.022 |
| Tritanopia (no blue cones) | #9AD7DB | 0.052 |
| Achromatopsia (no color) | #CCCCCC | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFF3
#AECFF3
oklch(84.3% 0.062 250.8)
- #E6C5A0
#E6C5A0
oklch(84.3% 0.062 70)
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 #AECFF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.020
- Light Blue Grey #B7C9E2 ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
Use #AECFF3 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.