#AACFF9
Closest named color: Baby Blue (#A2CFFE). oklch(84.2% 0.071 251.9), rgb(170, 207, 249).
Aa
Black text reads best on this color (13.00:1).
About this color
#AACFF9 is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.071 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.011 away. Black text reads best on it, at 13.00:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.00:1 |
| White text | 1.61:1 |
Values
| HEX | #AACFF9 |
| RGB | rgb(170, 207, 249) |
| HSL | hsl(212, 87%, 82%) |
| OKLCH | oklch(84.2% 0.071 251.9) |
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 #AACFF9 | 1.61:1 | Fails | Lc -31.1 | Non-text elements, placeholder text |
| Black text on #AACFF9 | 13.00:1 | AAA | Lc 76.2 | Fine for body text |
| #AACFF9 text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #AACFF9 text on black | 13.00:1 | AAA | Lc -75.4 | Fine for body text |
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
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C7DBF3
oklch(88.4% 0.04 253)
-
Step 300
300 (this color)
#AACFF9
oklch(84.2% 0.071 251.9)
-
Step 400
400
#6AA5E5
oklch(70.8% 0.113 251.5)
-
Step 500
500
#3E8CDE
oklch(63.1% 0.146 252.2)
-
Step 600
600
#1375CC
oklch(55.7% 0.158 251.8)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#09508F
oklch(42.8% 0.122 251.9)
-
Step 900
900
#144372
oklch(37.8% 0.095 251.9)
-
Step 950
950
#0D2743
oklch(26.9% 0.061 252.5)
#AACFF9 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) | #BFD0FB | 0.027 |
| Deuteranopia (no green cones) | #B6C8F8 | 0.022 |
| Tritanopia (no blue cones) | #92D8DD | 0.060 |
| Achromatopsia (no color) | #CBCBCB | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACFF9
#AACFF9
oklch(84.2% 0.071 251.9)
- #E9C498
#E9C498
oklch(84.2% 0.072 71.5)
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 #AACFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.011
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.045
- Sky #82CAFC ΔE 0.047
Use #AACFF9 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.