#ACBDF9
Closest named color: Pastel Blue (#A2BFFE). oklch(80.7% 0.087 272.1), rgb(172, 189, 249).
Aa
Black text reads best on this color (11.40:1).
About this color
#ACBDF9 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.087 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.014 away. Black text reads best on it, at 11.40:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.40:1 |
| White text | 1.84:1 |
Values
| HEX | #ACBDF9 |
| RGB | rgb(172, 189, 249) |
| HSL | hsl(227, 87%, 83%) |
| OKLCH | oklch(80.7% 0.087 272.1) |
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 #ACBDF9 | 1.84:1 | Fails | Lc -38.7 | Non-text elements, placeholder text |
| Black text on #ACBDF9 | 11.40:1 | AAA | Lc 69.3 | Content text, not long reading |
| #ACBDF9 text on white | 1.84:1 | Fails | Lc 34.6 | Non-text elements, placeholder text |
| #ACBDF9 text on black | 11.40:1 | AAA | Lc -68.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300 (this color)
#ACBDF9
oklch(80.7% 0.087 272.1)
-
Step 400
400
#8399F7
oklch(70.6% 0.14 272.4)
-
Step 500
500
#667DF4
oklch(63.2% 0.179 272.1)
-
Step 600
600
#4F63E2
oklch(55.6% 0.193 271.8)
-
Step 700
700
#4151C5
oklch(49.2% 0.18 272)
-
Step 800
800
#35439F
oklch(42.7% 0.149 272)
-
Step 900
900
#2D3A7E
oklch(37.7% 0.116 271.6)
-
Step 950
950
#1A224A
oklch(26.9% 0.075 272)
#ACBDF9 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) | #AAC2FC | 0.013 |
| Deuteranopia (no green cones) | #A4BCF8 | 0.011 |
| Tritanopia (no blue cones) | #97C9D2 | 0.078 |
| Achromatopsia (no color) | #BFBFBF | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACBDF9
#ACBDF9
oklch(80.7% 0.087 272.1)
- #D4BF7E
#D4BF7E
oklch(80.8% 0.087 92.2)
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 #ACBDF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.014
- Light Periwinkle #C1C6FC ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.052
- Sky #82CAFC ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #ACBDF9 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.