#ACD3EB
Closest named color: Light Blue (#ADD8E6). oklch(84.7% 0.053 235.3), rgb(172, 211, 235).
Aa
Black text reads best on this color (13.27:1).
About this color
#ACD3EB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.053 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.017 away. Black text reads best on it, at 13.27:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.27:1 |
| White text | 1.58:1 |
Values
| HEX | #ACD3EB |
| RGB | rgb(172, 211, 235) |
| HSL | hsl(203, 61%, 80%) |
| OKLCH | oklch(84.7% 0.053 235.3) |
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 #ACD3EB | 1.58:1 | Fails | Lc -29.9 | Dividers and decoration only |
| Black text on #ACD3EB | 13.27:1 | AAA | Lc 77.4 | Fine for body text |
| #ACD3EB text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #ACD3EB text on black | 13.27:1 | 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 300.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300 (this color)
#ACD3EB
oklch(84.7% 0.053 235.3)
-
Step 400
400
#6AA9CE
oklch(70.6% 0.085 235.5)
-
Step 500
500
#3B93C2
oklch(63.1% 0.109 235.7)
-
Step 600
600
#017DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#114762
oklch(37.7% 0.071 235.5)
-
Step 950
950
#0D2A39
oklch(27.1% 0.044 234.3)
#ACD3EB 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) | #C8D2EC | 0.035 |
| Deuteranopia (no green cones) | #BFCAEB | 0.032 |
| Tritanopia (no blue cones) | #99D9DB | 0.039 |
| Achromatopsia (no color) | #CDCDCD | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACD3EB
#ACD3EB
oklch(84.7% 0.053 235.3)
- #E9C4AC
#E9C4AC
oklch(84.6% 0.053 54.8)
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 #ACD3EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.017
- Light Blue Grey #B7C9E2 ΔE 0.027
- Celeste #A8DADC ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.045
Use #ACD3EB 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.