#AACFF4
Closest named color: Baby Blue (#A2CFFE). oklch(84% 0.065 248.6), rgb(170, 207, 244).
Aa
Black text reads best on this color (12.94:1).
About this color
#AACFF4 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.065 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.016 away. Black text reads best on it, at 12.94:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.94:1 |
| White text | 1.62:1 |
Values
| HEX | #AACFF4 |
| RGB | rgb(170, 207, 244) |
| HSL | hsl(210, 77%, 81%) |
| OKLCH | oklch(84% 0.065 248.6) |
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 #AACFF4 | 1.62:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #AACFF4 | 12.94:1 | AAA | Lc 76.0 | Fine for body text |
| #AACFF4 text on white | 1.62:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #AACFF4 text on black | 12.94:1 | AAA | Lc -75.1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300 (this color)
#AACFF4
oklch(84% 0.065 248.6)
-
Step 400
400
#6BA6DF
oklch(70.8% 0.104 248.7)
-
Step 500
500
#3E8ED6
oklch(63% 0.134 248.7)
-
Step 600
600
#1377C3
oklch(55.6% 0.144 248.5)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#095289
oklch(42.9% 0.112 248.4)
-
Step 900
900
#14446D
oklch(37.7% 0.087 248.4)
-
Step 950
950
#0E2840
oklch(27% 0.055 249)
#AACFF4 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) | #C1CFF6 | 0.029 |
| Deuteranopia (no green cones) | #B8C8F3 | 0.023 |
| Tritanopia (no blue cones) | #94D7DB | 0.054 |
| Achromatopsia (no color) | #CBCBCB | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACFF4
#AACFF4
oklch(84% 0.065 248.6)
- #E7C49D
#E7C49D
oklch(84.1% 0.065 69.8)
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 #AACFF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.016
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.036
- Light Sky Blue #87CEFA ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.040
- Sky Blue #87CEEB ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.043
Use #AACFF4 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.