#AECEEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.9% 0.058 249.3), rgb(174, 206, 239).
Aa
Black text reads best on this color (12.87:1).
About this color
#AECEEF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.058 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.020 away. Black text reads best on it, at 12.87:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.87:1 |
| White text | 1.63:1 |
Values
| HEX | #AECEEF |
| RGB | rgb(174, 206, 239) |
| HSL | hsl(210, 67%, 81%) |
| OKLCH | oklch(83.9% 0.058 249.3) |
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 #AECEEF | 1.63:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #AECEEF | 12.87:1 | AAA | Lc 75.7 | Fine for body text |
| #AECEEF text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #AECEEF text on black | 12.87:1 | AAA | Lc -74.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300 (this color)
#AECEEF
oklch(83.9% 0.058 249.3)
-
Step 400
400
#73A5D8
oklch(70.7% 0.092 249.7)
-
Step 500
500
#4C8ECE
oklch(63.1% 0.118 249.6)
-
Step 600
600
#2B77BB
oklch(55.6% 0.129 249.3)
-
Step 700
700
#1D64A1
oklch(49.2% 0.119 249.1)
-
Step 800
800
#1B5282
oklch(42.8% 0.098 248.8)
-
Step 900
900
#1D4469
oklch(37.8% 0.077 249.6)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#AECEEF 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) | #C2CEF1 | 0.026 |
| Deuteranopia (no green cones) | #BAC8EE | 0.020 |
| Tritanopia (no blue cones) | #9BD5D9 | 0.048 |
| Achromatopsia (no color) | #CACACA | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECEEF
#AECEEF
oklch(83.9% 0.058 249.3)
- #E3C4A2
#E3C4A2
oklch(83.8% 0.058 69.5)
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 #AECEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.020
- Baby Blue #A2CFFE ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Periwinkle #C1C6FC ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.044
Use #AECEEF 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.