#A5C1DF
Closest named color: Cloudy Blue (#ACC2D9). oklch(80% 0.052 250.3), rgb(165, 193, 223).
Aa
Black text reads best on this color (11.29:1).
About this color
#A5C1DF is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.052 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.013 away. Black text reads best on it, at 11.29:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.29:1 |
| White text | 1.85:1 |
Values
| HEX | #A5C1DF |
| RGB | rgb(165, 193, 223) |
| HSL | hsl(211, 48%, 76%) |
| OKLCH | oklch(80% 0.052 250.3) |
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 #A5C1DF | 1.85:1 | Fails | Lc -39.3 | Non-text elements, placeholder text |
| Black text on #A5C1DF | 11.29:1 | AAA | Lc 68.8 | Content text, not long reading |
| #A5C1DF text on white | 1.85:1 | Fails | Lc 35.1 | Non-text elements, placeholder text |
| #A5C1DF text on black | 11.29:1 | AAA | Lc -67.5 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300 (this color)
#A5C1DF
oklch(80% 0.052 250.3)
-
Step 400
400
#78A5D3
oklch(70.7% 0.083 249.6)
-
Step 500
500
#548EC8
oklch(63.2% 0.107 249.9)
-
Step 600
600
#3777B5
oklch(55.7% 0.117 250.1)
-
Step 700
700
#29639B
oklch(48.9% 0.108 250.4)
-
Step 800
800
#24517E
oklch(42.6% 0.09 250.8)
-
Step 900
900
#224465
oklch(37.7% 0.069 249.5)
-
Step 950
950
#15283B
oklch(27.1% 0.044 249.7)
#A5C1DF 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) | #B6C1E0 | 0.022 |
| Deuteranopia (no green cones) | #AFBBDE | 0.019 |
| Tritanopia (no blue cones) | #95C8CB | 0.044 |
| Achromatopsia (no color) | #BEBEBE | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5C1DF
#A5C1DF
oklch(80% 0.052 250.3)
- #D4B99A
#D4B99A
oklch(80.1% 0.052 70.8)
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 #A5C1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.013
- Light Steel Blue #B0C4DE ΔE 0.017
- Light Cornflower Blue #98C1D9 ΔE 0.019
- Light Grey Blue #9DBCD4 ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.049
Use #A5C1DF 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.