#ACC5DA
Closest named color: Cloudy Blue (#ACC2D9). oklch(81.2% 0.04 243.6), rgb(172, 197, 218).
Aa
Black text reads best on this color (11.75:1).
About this color
#ACC5DA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.040 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.008 away. Black text reads best on it, at 11.75:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #ACC5DA |
| RGB | rgb(172, 197, 218) |
| HSL | hsl(207, 38%, 76%) |
| OKLCH | oklch(81.2% 0.04 243.6) |
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 #ACC5DA | 1.78:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #ACC5DA | 11.75:1 | AAA | Lc 70.8 | Content text, not long reading |
| #ACC5DA text on white | 1.78:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #ACC5DA text on black | 11.75:1 | AAA | Lc -69.6 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300 (this color)
#ACC5DA
oklch(81.2% 0.04 243.6)
-
Step 400
400
#7EA6C6
oklch(70.8% 0.064 242.9)
-
Step 500
500
#5C8FB8
oklch(63.1% 0.083 243.9)
-
Step 600
600
#4179A4
oklch(55.7% 0.09 243.6)
-
Step 700
700
#32668C
oklch(49.2% 0.083 242.7)
-
Step 800
800
#2B5372
oklch(42.7% 0.069 243.8)
-
Step 900
900
#27455C
oklch(37.8% 0.053 243)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#ACC5DA 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) | #BDC5DB | 0.022 |
| Deuteranopia (no green cones) | #B7C0DA | 0.018 |
| Tritanopia (no blue cones) | #A0CACC | 0.032 |
| Achromatopsia (no color) | #C2C2C2 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC5DA
#ACC5DA
oklch(81.2% 0.04 243.6)
- #D5BCA7
#D5BCA7
oklch(81.1% 0.041 62.2)
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 #ACC5DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.008
- Light Steel Blue #B0C4DE ΔE 0.009
- Light Blue Grey #B7C9E2 ΔE 0.021
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.032
- Silver #C0C0C0 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.049
Use #ACC5DA 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.