#ACBEE1
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.054 263.7), rgb(172, 190, 225).
Aa
Black text reads best on this color (11.20:1).
About this color
#ACBEE1 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.054 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.018 away. Black text reads best on it, at 11.20:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.20:1 |
| White text | 1.87:1 |
Values
| HEX | #ACBEE1 |
| RGB | rgb(172, 190, 225) |
| HSL | hsl(220, 47%, 78%) |
| OKLCH | oklch(79.9% 0.054 263.7) |
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 #ACBEE1 | 1.87:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #ACBEE1 | 11.20:1 | AAA | Lc 68.4 | Content text, not long reading |
| #ACBEE1 text on white | 1.87:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #ACBEE1 text on black | 11.20:1 | AAA | Lc -67.1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#CFD9ED
oklch(88.4% 0.03 264.4)
-
Step 300
300 (this color)
#ACBEE1
oklch(79.9% 0.054 263.7)
-
Step 400
400
#85A0D7
oklch(70.6% 0.087 264.1)
-
Step 500
500
#6788CC
oklch(63.1% 0.11 263.8)
-
Step 600
600
#4E71B9
oklch(55.6% 0.119 263.4)
-
Step 700
700
#3F5E9F
oklch(49% 0.111 263.6)
-
Step 800
800
#344D81
oklch(42.6% 0.092 263.6)
-
Step 900
900
#2E4168
oklch(37.9% 0.071 263.6)
-
Step 950
950
#1B263D
oklch(27% 0.046 264.1)
#ACBEE1 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) | #B3C0E3 | 0.011 |
| Deuteranopia (no green cones) | #AEBBE0 | 0.008 |
| Tritanopia (no blue cones) | #9EC5C9 | 0.049 |
| Achromatopsia (no color) | #BDBDBD | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACBEE1
#ACBEE1
oklch(79.9% 0.054 263.7)
- #CEBB97
#CEBB97
oklch(79.9% 0.053 83.3)
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 #ACBEE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.019
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.034
- Pastel Blue #A2BFFE ΔE 0.042
- French Gray #ADB5BD ΔE 0.050
- Light Periwinkle #C1C6FC ΔE 0.051
Use #ACBEE1 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.