#ACC3FF
Closest named color: Pastel Blue (#A2BFFE). oklch(82.1% 0.089 268.2), rgb(172, 195, 255).
Aa
Black text reads best on this color (12.00:1).
About this color
#ACC3FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.089 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.017 away. Black text reads best on it, at 12.00:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 12.00:1 |
| White text | 1.74:1 |
Values
| HEX | #ACC3FF |
| RGB | rgb(172, 195, 255) |
| HSL | hsl(223, 100%, 84%) |
| OKLCH | oklch(82.1% 0.089 268.2) |
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 #ACC3FF | 1.74:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #ACC3FF | 12.00:1 | AAA | Lc 72.0 | Content text, not long reading |
| #ACC3FF text on white | 1.74:1 | Fails | Lc 31.9 | Non-text elements, placeholder text |
| #ACC3FF text on black | 12.00:1 | AAA | Lc -70.8 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300 (this color)
#ACC3FF
oklch(82.1% 0.089 268.2)
-
Step 400
400
#7B9BF9
oklch(70.6% 0.143 268.4)
-
Step 500
500
#5B7FF6
oklch(63.1% 0.182 268.2)
-
Step 600
600
#4465E5
oklch(55.7% 0.197 268.3)
-
Step 700
700
#3653C7
oklch(49.2% 0.183 268.1)
-
Step 800
800
#2D45A1
oklch(42.8% 0.152 268.2)
-
Step 900
900
#273B7F
oklch(37.7% 0.118 268)
-
Step 950
950
#17234B
oklch(27% 0.076 268.4)
#ACC3FF 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) | #B0C8FF | 0.015 |
| Deuteranopia (no green cones) | #A8C0FE | 0.010 |
| Tritanopia (no blue cones) | #94CFD8 | 0.079 |
| Achromatopsia (no color) | #C4C4C4 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC3FF
#ACC3FF
oklch(82.1% 0.089 268.2)
- #DCC281
#DCC281
oklch(82.1% 0.088 88.6)
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 #ACC3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.017
- Light Periwinkle #C1C6FC ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.049
- Sky #82CAFC ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.053
Use #ACC3FF 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.