#AACCF9
Closest named color: Baby Blue (#A2CFFE). oklch(83.6% 0.073 255.6), rgb(170, 204, 249).
Aa
Black text reads best on this color (12.71:1).
About this color
#AACCF9 is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.073 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.012 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #AACCF9 |
| RGB | rgb(170, 204, 249) |
| HSL | hsl(214, 87%, 82%) |
| OKLCH | oklch(83.6% 0.073 255.6) |
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 #AACCF9 | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #AACCF9 | 12.71:1 | AAA | Lc 75.0 | Fine for body text |
| #AACCF9 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #AACCF9 text on black | 12.71:1 | AAA | Lc -74.1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300 (this color)
#AACCF9
oklch(83.6% 0.073 255.6)
-
Step 400
400
#6EA3E8
oklch(70.7% 0.116 255.5)
-
Step 500
500
#458AE2
oklch(63.1% 0.15 255.7)
-
Step 600
600
#2372D0
oklch(55.6% 0.163 255.6)
-
Step 700
700
#155FB4
oklch(49.1% 0.152 255.7)
-
Step 800
800
#154E91
oklch(42.7% 0.125 255.4)
-
Step 900
900
#194274
oklch(37.8% 0.097 255.2)
-
Step 950
950
#102744
oklch(27.1% 0.062 255.3)
#AACCF9 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) | #BCCEFB | 0.024 |
| Deuteranopia (no green cones) | #B3C6F8 | 0.018 |
| Tritanopia (no blue cones) | #92D6DB | 0.064 |
| Achromatopsia (no color) | #C9C9C9 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACCF9
#AACCF9
oklch(83.6% 0.073 255.6)
- #E5C394
#E5C394
oklch(83.5% 0.073 75.5)
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 #AACCF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.012
- Light Periwinkle #C1C6FC ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.038
- Light Sky Blue #87CEFA ΔE 0.038
- Pastel Blue #A2BFFE ΔE 0.040
- Sky #82CAFC ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.045
Use #AACCF9 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.