#ACBBFB
Closest named color: Pastel Blue (#A2BFFE). oklch(80.4% 0.092 274), rgb(172, 187, 251).
Aa
Black text reads best on this color (11.25:1).
About this color
#ACBBFB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.092 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.015 away. Black text reads best on it, at 11.25:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.25:1 |
| White text | 1.86:1 |
Values
| HEX | #ACBBFB |
| RGB | rgb(172, 187, 251) |
| HSL | hsl(229, 91%, 83%) |
| OKLCH | oklch(80.4% 0.092 274) |
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 #ACBBFB | 1.86:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #ACBBFB | 11.25:1 | AAA | Lc 68.7 | Content text, not long reading |
| #ACBBFB text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #ACBBFB text on black | 11.25:1 | AAA | Lc -67.3 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED7FC
oklch(88.4% 0.052 274.5)
-
Step 300
300 (this color)
#ACBBFB
oklch(80.4% 0.092 274)
-
Step 400
400
#8598FC
oklch(70.8% 0.147 273.9)
-
Step 500
500
#697AF9
oklch(63.1% 0.188 274)
-
Step 600
600
#535FE8
oklch(55.6% 0.205 273.9)
-
Step 700
700
#444DCA
oklch(49.1% 0.191 273.8)
-
Step 800
800
#3840A3
oklch(42.7% 0.158 274.1)
-
Step 900
900
#2F3882
oklch(37.8% 0.124 273.7)
-
Step 950
950
#1B214C
oklch(26.9% 0.079 273.9)
#ACBBFB 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) | #A7C1FE | 0.016 |
| Deuteranopia (no green cones) | #A2BBF9 | 0.013 |
| Tritanopia (no blue cones) | #97C7D1 | 0.082 |
| Achromatopsia (no color) | #BEBEBE | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACBBFB
#ACBBFB
oklch(80.4% 0.092 274)
- #D2BE78
#D2BE78
oklch(80.3% 0.092 94)
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 #ACBBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.015
- Light Periwinkle #C1C6FC ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.052
- Pale Violet #CEAEFA ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.055
- Sky #82CAFC ΔE 0.058
- Cloudy Blue #ACC2D9 ΔE 0.058
Use #ACBBFB 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.