#ACD3EC
Closest named color: Light Blue (#ADD8E6). oklch(84.7% 0.054 236.4), rgb(172, 211, 236).
Aa
Black text reads best on this color (13.28:1).
About this color
#ACD3EC is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.054 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 13.28:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.28:1 |
| White text | 1.58:1 |
Values
| HEX | #ACD3EC |
| RGB | rgb(172, 211, 236) |
| HSL | hsl(203, 63%, 80%) |
| OKLCH | oklch(84.7% 0.054 236.4) |
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 #ACD3EC | 1.58:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #ACD3EC | 13.28:1 | AAA | Lc 77.4 | Fine for body text |
| #ACD3EC text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #ACD3EC text on black | 13.28:1 | AAA | Lc -76.6 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200 (this color)
#ACD3EC
oklch(84.7% 0.054 236.4)
-
Step 300
300
#96C8E8
oklch(80.9% 0.069 236.8)
-
Step 400
400
#54ABDD
oklch(70.8% 0.111 236.5)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#ACD3EC 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) | #C8D2ED | 0.035 |
| Deuteranopia (no green cones) | #BFCAEC | 0.032 |
| Tritanopia (no blue cones) | #99DADB | 0.042 |
| Achromatopsia (no color) | #CECECE | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACD3EC
#ACD3EC
oklch(84.7% 0.054 236.4)
- #E9C5AB
#E9C5AB
oklch(84.8% 0.054 57.8)
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 #ACD3EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.033
- Celeste #A8DADC ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.046
Use #ACD3EC 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.