#A1ACEE
Closest named color: Carolina Blue (#8AB8FE). oklch(76% 0.096 276.6), rgb(161, 172, 238).
Aa
Black text reads best on this color (9.65:1).
About this color
#A1ACEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.096 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.040 away. Black text reads best on it, at 9.65:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.65:1 |
| White text | 2.17:1 |
Values
| HEX | #A1ACEE |
| RGB | rgb(161, 172, 238) |
| HSL | hsl(231, 69%, 78%) |
| OKLCH | oklch(76% 0.096 276.6) |
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 #A1ACEE | 2.17:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #A1ACEE | 9.65:1 | AAA | Lc 61.2 | Content text, not long reading |
| #A1ACEE text on white | 2.17:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #A1ACEE text on black | 9.65:1 | AAA | Lc -59.4 | Large or bold text, headings |
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
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300 (this color)
#A1ACEE
oklch(76% 0.096 276.6)
-
Step 400
400
#8995FE
oklch(70.6% 0.153 276.8)
-
Step 500
500
#6F77FC
oklch(63.1% 0.195 276.7)
-
Step 600
600
#5A5BEC
oklch(55.7% 0.213 276.7)
-
Step 700
700
#4A49CD
oklch(49% 0.198 276.6)
-
Step 800
800
#3C3DA6
oklch(42.6% 0.165 276.4)
-
Step 900
900
#333683
oklch(37.7% 0.127 276.8)
-
Step 950
950
#1D204D
oklch(26.9% 0.082 276.5)
#A1ACEE 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) | #98B3F1 | 0.020 |
| Deuteranopia (no green cones) | #93ADEC | 0.018 |
| Tritanopia (no blue cones) | #8CB9C3 | 0.086 |
| Achromatopsia (no color) | #B0B0B0 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1ACEE
#A1ACEE
oklch(76% 0.096 276.6)
- #C3B168
#C3B168
oklch(76% 0.096 95.9)
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 #A1ACEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.064
- Light Grey Blue #9DBCD4 ΔE 0.066
- Pale Violet #CEAEFA ΔE 0.067
- Pastel Purple #CAA0FF ΔE 0.071
- Light Cornflower Blue #98C1D9 ΔE 0.072
- Baby Purple #CA9BF7 ΔE 0.073
Use #A1ACEE 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.