#AACFFF
Closest named color: Baby Blue (#A2CFFE). oklch(84.5% 0.078 255.1), rgb(170, 207, 255).
Aa
Black text reads best on this color (13.07:1).
About this color
#AACFFF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.078 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.010 away. Black text reads best on it, at 13.07:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.07:1 |
| White text | 1.60:1 |
Values
| HEX | #AACFFF |
| RGB | rgb(170, 207, 255) |
| HSL | hsl(214, 100%, 83%) |
| OKLCH | oklch(84.5% 0.078 255.1) |
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 #AACFFF | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #AACFFF | 13.07:1 | AAA | Lc 76.6 | Fine for body text |
| #AACFFF text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #AACFFF text on black | 13.07:1 | AAA | Lc -75.7 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF6
oklch(88.4% 0.044 254.8)
-
Step 300
300 (this color)
#AACFFF
oklch(84.5% 0.078 255.1)
-
Step 400
400
#69A3ED
oklch(70.7% 0.125 255.1)
-
Step 500
500
#3D8AE7
oklch(63.1% 0.159 255)
-
Step 600
600
#1471D6
oklch(55.5% 0.175 255.3)
-
Step 700
700
#015EB9
oklch(49% 0.162 255.2)
-
Step 800
800
#0A4E96
oklch(42.8% 0.134 255)
-
Step 900
900
#144177
oklch(37.6% 0.104 255.3)
-
Step 950
950
#0D2746
oklch(27.1% 0.066 254.6)
#AACFFF 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) | #BED1FF | 0.026 |
| Deuteranopia (no green cones) | #B4C8FE | 0.020 |
| Tritanopia (no blue cones) | #90D9DF | 0.067 |
| Achromatopsia (no color) | #CCCCCC | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACFFF
#AACFFF
oklch(84.5% 0.078 255.1)
- #EAC593
#EAC593
oklch(84.4% 0.078 74.8)
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 #AACFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.010
- Light Periwinkle #C1C6FC ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.047
- Sky #82CAFC ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.049
Use #AACFFF 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.