#ACBBEF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.9% 0.076 272.1), rgb(172, 187, 239).
Aa
Black text reads best on this color (11.10:1).
About this color
#ACBBEF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.076 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.023 away. Black text reads best on it, at 11.10:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #ACBBEF |
| RGB | rgb(172, 187, 239) |
| HSL | hsl(227, 68%, 81%) |
| OKLCH | oklch(79.9% 0.076 272.1) |
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 #ACBBEF | 1.89:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #ACBBEF | 11.10:1 | AAA | Lc 68.0 | Content text, not long reading |
| #ACBBEF text on white | 1.89:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #ACBBEF text on black | 11.10:1 | AAA | Lc -66.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300 (this color)
#ACBBEF
oklch(79.9% 0.076 272.1)
-
Step 400
400
#869BEC
oklch(70.7% 0.121 271.9)
-
Step 500
500
#6A80E6
oklch(63.1% 0.155 272.1)
-
Step 600
600
#5367D4
oklch(55.6% 0.168 272)
-
Step 700
700
#4455B8
oklch(49.1% 0.157 272)
-
Step 800
800
#384695
oklch(42.7% 0.13 272.2)
-
Step 900
900
#303C77
oklch(37.8% 0.101 272.1)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#ACBBEF 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) | #ABBFF1 | 0.010 |
| Deuteranopia (no green cones) | #A6BAEE | 0.009 |
| Tritanopia (no blue cones) | #9BC5CD | 0.067 |
| Achromatopsia (no color) | #BCBCBC | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACBBEF
#ACBBEF
oklch(79.9% 0.076 272.1)
- #CFBC85
#CFBC85
oklch(79.8% 0.075 91.2)
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 #ACBBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Periwinkle #C1C6FC ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.046
- Carolina Blue #8AB8FE ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Blue Grey #B7C9E2 ΔE 0.050
Use #ACBBEF 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.