#AACEEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.5% 0.057 243.6), rgb(170, 206, 236).
Aa
Black text reads best on this color (12.74:1).
About this color
#AACEEC is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.057 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.021 away. Black text reads best on it, at 12.74:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.74:1 |
| White text | 1.64:1 |
Values
| HEX | #AACEEC |
| RGB | rgb(170, 206, 236) |
| HSL | hsl(207, 63%, 80%) |
| OKLCH | oklch(83.5% 0.057 243.6) |
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 #AACEEC | 1.64:1 | Fails | Lc -32.3 | Non-text elements, placeholder text |
| Black text on #AACEEC | 12.74:1 | AAA | Lc 75.2 | Fine for body text |
| #AACEEC text on white | 1.64:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #AACEEC text on black | 12.74:1 | AAA | Lc -74.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300 (this color)
#AACEEC
oklch(83.5% 0.057 243.6)
-
Step 400
400
#6DA7D5
oklch(70.6% 0.091 243.5)
-
Step 500
500
#4290CA
oklch(63% 0.116 243.7)
-
Step 600
600
#1A79B7
oklch(55.5% 0.127 243.9)
-
Step 700
700
#06669E
oklch(49.1% 0.118 243.7)
-
Step 800
800
#0E5380
oklch(42.6% 0.098 244)
-
Step 900
900
#164567
oklch(37.6% 0.077 244.1)
-
Step 950
950
#0F293C
oklch(27.1% 0.048 243)
#AACEEC 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) | #C2CEEE | 0.030 |
| Deuteranopia (no green cones) | #B9C6EB | 0.026 |
| Tritanopia (no blue cones) | #97D5D8 | 0.045 |
| Achromatopsia (no color) | #CACACA | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACEEC
#AACEEC
oklch(83.5% 0.057 243.6)
- #E4C2A3
#E4C2A3
oklch(83.5% 0.057 64.3)
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 #AACEEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.021
- Baby Blue #A2CFFE ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.035
- Sky Blue #87CEEB ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.041
- Celeste #A8DADC ΔE 0.045
Use #AACEEC 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.