#ACDEF9
Closest named color: Light Blue (#ADD8E6). oklch(87.5% 0.064 232), rgb(172, 222, 249).
Aa
Black text reads best on this color (14.57:1).
About this color
#ACDEF9 is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.064 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.027 away. Black text reads best on it, at 14.57:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.57:1 |
| White text | 1.44:1 |
Values
| HEX | #ACDEF9 |
| RGB | rgb(172, 222, 249) |
| HSL | hsl(201, 87%, 83%) |
| OKLCH | oklch(87.5% 0.064 232) |
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 #ACDEF9 | 1.44:1 | Fails | Lc -24.0 | Dividers and decoration only |
| Black text on #ACDEF9 | 14.57:1 | AAA | Lc 82.7 | Fine for body text |
| #ACDEF9 text on white | 1.44:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #ACDEF9 text on black | 14.57:1 | AAA | Lc -82.3 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF7
oklch(93.6% 0.023 231.8)
-
Step 200
200 (this color)
#ACDEF9
oklch(87.5% 0.064 232)
-
Step 300
300
#89CBED
oklch(81% 0.082 231.5)
-
Step 400
400
#2FAEE4
oklch(70.8% 0.131 231.9)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3D
oklch(27.1% 0.055 231.9)
#ACDEF9 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) | #D1DCFA | 0.045 |
| Deuteranopia (no green cones) | #C6D3F9 | 0.040 |
| Tritanopia (no blue cones) | #93E5E6 | 0.046 |
| Achromatopsia (no color) | #D7D7D7 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACDEF9
#ACDEF9
oklch(87.5% 0.064 232)
- #F9CBB0
#F9CBB0
oklch(87.5% 0.064 52)
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 #ACDEF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.027
- Powder Blue #B0E0E6 ΔE 0.029
- Celeste #A8DADC ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.051
- Cadet Gray #CED4DA ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #ACDEF9 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.