#ACC1DF
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.5% 0.048 257.3), rgb(172, 193, 223).
Aa
Black text reads best on this color (11.44:1).
About this color
#ACC1DF is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.048 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.010 away. Black text reads best on it, at 11.44:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.44:1 |
| White text | 1.83:1 |
Values
| HEX | #ACC1DF |
| RGB | rgb(172, 193, 223) |
| HSL | hsl(215, 44%, 77%) |
| OKLCH | oklch(80.5% 0.048 257.3) |
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 #ACC1DF | 1.83:1 | Fails | Lc -38.5 | Non-text elements, placeholder text |
| Black text on #ACC1DF | 11.44:1 | AAA | Lc 69.5 | Content text, not long reading |
| #ACC1DF text on white | 1.83:1 | Fails | Lc 34.4 | Non-text elements, placeholder text |
| #ACC1DF text on black | 11.44:1 | AAA | Lc -68.2 | Content text, not long reading |
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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300 (this color)
#ACC1DF
oklch(80.5% 0.048 257.3)
-
Step 400
400
#82A3D1
oklch(70.8% 0.077 256.8)
-
Step 500
500
#628BC5
oklch(63.1% 0.099 257.1)
-
Step 600
600
#4974B1
oklch(55.6% 0.107 257.2)
-
Step 700
700
#3A6199
oklch(49.1% 0.101 257.5)
-
Step 800
800
#304F7C
oklch(42.6% 0.084 257.7)
-
Step 900
900
#2B4264
oklch(37.7% 0.065 258)
-
Step 950
950
#19273A
oklch(27% 0.041 256.3)
#ACC1DF 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) | #B7C2E0 | 0.015 |
| Deuteranopia (no green cones) | #B1BDDE | 0.011 |
| Tritanopia (no blue cones) | #9FC7CB | 0.041 |
| Achromatopsia (no color) | #BFBFBF | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC1DF
#ACC1DF
oklch(80.5% 0.048 257.3)
- #D1BC9D
#D1BC9D
oklch(80.5% 0.048 77.5)
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 #ACC1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.010
- Light Steel Blue #B0C4DE ΔE 0.010
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.028
- Pastel Blue #A2BFFE ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.048
- Silver #C0C0C0 ΔE 0.049
Use #ACC1DF 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.