#AECFE9
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.9% 0.051 242), rgb(174, 207, 233).
Aa
Black text reads best on this color (12.90:1).
About this color
#AECFE9 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.051 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 12.90:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.90:1 |
| White text | 1.62:1 |
Values
| HEX | #AECFE9 |
| RGB | rgb(174, 207, 233) |
| HSL | hsl(206, 57%, 80%) |
| OKLCH | oklch(83.9% 0.051 242) |
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 #AECFE9 | 1.62:1 | Fails | Lc -31.6 | Non-text elements, placeholder text |
| Black text on #AECFE9 | 12.90:1 | AAA | Lc 75.8 | Fine for body text |
| #AECFE9 text on white | 1.62:1 | Fails | Lc 28.0 | Dividers and decoration only |
| #AECFE9 text on black | 12.90:1 | AAA | Lc -74.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300 (this color)
#AECFE9
oklch(83.9% 0.051 242)
-
Step 400
400
#72A7CF
oklch(70.7% 0.081 241.9)
-
Step 500
500
#4A91C3
oklch(63.2% 0.104 241.7)
-
Step 600
600
#297AAF
oklch(55.6% 0.112 242)
-
Step 700
700
#1A6697
oklch(49% 0.106 242.6)
-
Step 800
800
#19547A
oklch(42.8% 0.086 241.6)
-
Step 900
900
#1C4562
oklch(37.6% 0.068 242.4)
-
Step 950
950
#12293A
oklch(27.1% 0.043 242.6)
#AECFE9 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) | #C4CEEA | 0.028 |
| Deuteranopia (no green cones) | #BDC8E9 | 0.025 |
| Tritanopia (no blue cones) | #9DD5D7 | 0.040 |
| Achromatopsia (no color) | #CBCBCB | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFE9
#AECFE9
oklch(83.9% 0.051 242)
- #E3C4A9
#E3C4A9
oklch(84% 0.051 63.1)
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 #AECFE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Blue #ADD8E6 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.036
- Celeste #A8DADC ΔE 0.040
- Sky Blue #87CEEB ΔE 0.043
- Light Periwinkle #C1C6FC ΔE 0.048
Use #AECFE9 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.