#AECEFB
Closest named color: Baby Blue (#A2CFFE). oklch(84.3% 0.072 256.9), rgb(174, 206, 251).
Aa
Black text reads best on this color (13.02:1).
About this color
#AECEFB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.072 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.014 away. Black text reads best on it, at 13.02:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.02:1 |
| White text | 1.61:1 |
Values
| HEX | #AECEFB |
| RGB | rgb(174, 206, 251) |
| HSL | hsl(215, 91%, 83%) |
| OKLCH | oklch(84.3% 0.072 256.9) |
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 #AECEFB | 1.61:1 | Fails | Lc -31.0 | Non-text elements, placeholder text |
| Black text on #AECEFB | 13.02:1 | AAA | Lc 76.3 | Fine for body text |
| #AECEFB text on white | 1.61:1 | Fails | Lc 27.5 | Dividers and decoration only |
| #AECEFB text on black | 13.02:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300 (this color)
#AECEFB
oklch(84.3% 0.072 256.9)
-
Step 400
400
#71A2E8
oklch(70.6% 0.116 257.3)
-
Step 500
500
#4A89E1
oklch(63% 0.148 257.2)
-
Step 600
600
#2B71CF
oklch(55.6% 0.161 257.1)
-
Step 700
700
#1D5EB3
oklch(49% 0.15 257.1)
-
Step 800
800
#1B4E91
oklch(42.8% 0.123 256.8)
-
Step 900
900
#1C4173
oklch(37.6% 0.096 256.8)
-
Step 950
950
#112644
oklch(26.9% 0.062 257.5)
#AECEFB 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) | #BED0FD | 0.021 |
| Deuteranopia (no green cones) | #B6C8FA | 0.017 |
| Tritanopia (no blue cones) | #97D8DD | 0.064 |
| Achromatopsia (no color) | #CCCCCC | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECEFB
#AECEFB
oklch(84.3% 0.072 256.9)
- #E7C697
#E7C697
oklch(84.4% 0.072 76.3)
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 #AECEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.014
- Light Periwinkle #C1C6FC ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #AECEFB 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.