#ACD3FB
Closest named color: Baby Blue (#A2CFFE). oklch(85.3% 0.07 249.3), rgb(172, 211, 251).
Aa
Black text reads best on this color (13.46:1).
About this color
#ACD3FB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.070 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.018 away. Black text reads best on it, at 13.46:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.46:1 |
| White text | 1.55:1 |
Values
| HEX | #ACD3FB |
| RGB | rgb(172, 211, 251) |
| HSL | hsl(210, 91%, 83%) |
| OKLCH | oklch(85.3% 0.07 249.3) |
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 #ACD3FB | 1.55:1 | Fails | Lc -29.0 | Dividers and decoration only |
| Black text on #ACD3FB | 13.46:1 | AAA | Lc 78.2 | Fine for body text |
| #ACD3FB text on white | 1.55:1 | Fails | Lc 25.6 | Dividers and decoration only |
| #ACD3FB text on black | 13.46:1 | AAA | Lc -77.5 | 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 200.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200 (this color)
#ACD3FB
oklch(85.3% 0.07 249.3)
-
Step 300
300
#93C6F9
oklch(81% 0.09 249)
-
Step 400
400
#51A6F6
oklch(70.8% 0.144 249.3)
-
Step 500
500
#008DED
oklch(63.1% 0.175 249.1)
-
Step 600
600
#0076C9
oklch(55.6% 0.155 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#002849
oklch(27.1% 0.074 248.8)
#ACD3FB 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) | #C4D4FD | 0.030 |
| Deuteranopia (no green cones) | #BACBFA | 0.025 |
| Tritanopia (no blue cones) | #94DCE0 | 0.059 |
| Achromatopsia (no color) | #CFCFCF | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACD3FB
#ACD3FB
oklch(85.3% 0.07 249.3)
- #EDC79D
#EDC79D
oklch(85.2% 0.07 69.5)
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 #ACD3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.018
- Light Blue #ADD8E6 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.037
- Light Periwinkle #C1C6FC ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.048
- Sky Blue #87CEEB ΔE 0.050
- Powder Blue #B0E0E6 ΔE 0.053
Use #ACD3FB 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.