#AACBF4
Closest named color: Baby Blue (#A2CFFE). oklch(83.2% 0.068 254.1), rgb(170, 203, 244).
Aa
Black text reads best on this color (12.55:1).
About this color
#AACBF4 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.068 and its hue 254°. 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 12.55:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.55:1 |
| White text | 1.67:1 |
Values
| HEX | #AACBF4 |
| RGB | rgb(170, 203, 244) |
| HSL | hsl(213, 77%, 81%) |
| OKLCH | oklch(83.2% 0.068 254.1) |
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 #AACBF4 | 1.67:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #AACBF4 | 12.55:1 | AAA | Lc 74.4 | Content text, not long reading |
| #AACBF4 text on white | 1.67:1 | Fails | Lc 29.5 | Dividers and decoration only |
| #AACBF4 text on black | 12.55:1 | AAA | Lc -73.4 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300 (this color)
#AACBF4
oklch(83.2% 0.068 254.1)
-
Step 400
400
#70A4E3
oklch(70.8% 0.108 253.9)
-
Step 500
500
#488BDB
oklch(63% 0.139 254.3)
-
Step 600
600
#2774C9
oklch(55.7% 0.151 254)
-
Step 700
700
#1961AD
oklch(49.2% 0.139 253.8)
-
Step 800
800
#184F8C
oklch(42.6% 0.116 254.1)
-
Step 900
900
#1B4270
oklch(37.6% 0.091 254.4)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#AACBF4 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) | #BCCCF6 | 0.023 |
| Deuteranopia (no green cones) | #B4C5F3 | 0.019 |
| Tritanopia (no blue cones) | #94D4D8 | 0.060 |
| Achromatopsia (no color) | #C8C8C8 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACBF4
#AACBF4
oklch(83.2% 0.068 254.1)
- #E3C297
#E3C297
oklch(83.2% 0.068 74)
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 #AACBF4, 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 0.031
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.039
- Pastel Blue #A2BFFE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.043
Use #AACBF4 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.