#ACDEFF
Closest named color: Light Blue (#ADD8E6). oklch(87.7% 0.069 237.5), rgb(172, 222, 255).
Aa
Black text reads best on this color (14.64:1).
About this color
#ACDEFF is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.069 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.034 away. Black text reads best on it, at 14.64:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.64:1 |
| White text | 1.43:1 |
Values
| HEX | #ACDEFF |
| RGB | rgb(172, 222, 255) |
| HSL | hsl(204, 100%, 84%) |
| OKLCH | oklch(87.7% 0.069 237.5) |
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 #ACDEFF | 1.43:1 | Fails | Lc -23.6 | Dividers and decoration only |
| Black text on #ACDEFF | 14.64:1 | AAA | Lc 83.0 | Fine for body text |
| #ACDEFF text on white | 1.43:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #ACDEFF text on black | 14.64:1 | AAA | Lc -82.6 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200 (this color)
#ACDEFF
oklch(87.7% 0.069 237.5)
-
Step 300
300
#88CAF3
oklch(81% 0.089 236.6)
-
Step 400
400
#2EACEE
oklch(70.8% 0.142 237.6)
-
Step 500
500
#0094D2
oklch(63.2% 0.138 237.1)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#ACDEFF 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) | #CFDDFF | 0.042 |
| Deuteranopia (no green cones) | #C4D3FE | 0.038 |
| Tritanopia (no blue cones) | #91E6E8 | 0.053 |
| Achromatopsia (no color) | #D7D7D7 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACDEFF
#ACDEFF
oklch(87.7% 0.069 237.5)
- #FACCAA
#FACCAA
oklch(87.7% 0.069 58.2)
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 #ACDEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.043
- Celeste #A8DADC ΔE 0.048
- Robin's Egg Blue #98EFF9 ΔE 0.051
- Pale Turquoise #AFEEEE ΔE 0.056
- Diamond #B9F2FF ΔE 0.057
- Light Blue Grey #B7C9E2 ΔE 0.058
Use #ACDEFF 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.