#ACBBE9
Closest named color: Pastel Blue (#A2BFFE). oklch(79.6% 0.068 270.7), rgb(172, 187, 233).
Aa
Black text reads best on this color (11.03:1).
About this color
#ACBBE9 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.068 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.030 away. Black text reads best on it, at 11.03:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.03:1 |
| White text | 1.90:1 |
Values
| HEX | #ACBBE9 |
| RGB | rgb(172, 187, 233) |
| HSL | hsl(225, 58%, 79%) |
| OKLCH | oklch(79.6% 0.068 270.7) |
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 #ACBBE9 | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #ACBBE9 | 11.03:1 | AAA | Lc 67.7 | Content text, not long reading |
| #ACBBE9 text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #ACBBE9 text on black | 11.03:1 | AAA | Lc -66.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300 (this color)
#ACBBE9
oklch(79.6% 0.068 270.7)
-
Step 400
400
#879DE4
oklch(70.7% 0.107 270.3)
-
Step 500
500
#6B83DD
oklch(63.2% 0.138 270.8)
-
Step 600
600
#536ACA
oklch(55.5% 0.15 270.7)
-
Step 700
700
#4458AF
oklch(49.1% 0.14 270.7)
-
Step 800
800
#38488E
oklch(42.6% 0.117 271)
-
Step 900
900
#303D71
oklch(37.6% 0.09 271)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#ACBBE9 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) | #ADBFEB | 0.010 |
| Deuteranopia (no green cones) | #A8BAE8 | 0.006 |
| Tritanopia (no blue cones) | #9CC4CA | 0.062 |
| Achromatopsia (no color) | #BCBCBC | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACBBE9
#ACBBE9
oklch(79.6% 0.068 270.7)
- #CDBB8B
#CDBB8B
oklch(79.6% 0.067 89.9)
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 #ACBBE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.045
- Light Periwinkle #C1C6FC ΔE 0.047
- Carolina Blue #8AB8FE ΔE 0.052
Use #ACBBE9 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.