#A6C1DB
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.047 247.4), rgb(166, 193, 219).
Aa
Black text reads best on this color (11.27:1).
About this color
#A6C1DB is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.047 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.009 away. Black text reads best on it, at 11.27:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.27:1 |
| White text | 1.86:1 |
Values
| HEX | #A6C1DB |
| RGB | rgb(166, 193, 219) |
| HSL | hsl(209, 42%, 75%) |
| OKLCH | oklch(79.9% 0.047 247.4) |
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 #A6C1DB | 1.86:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #A6C1DB | 11.27:1 | AAA | Lc 68.7 | Content text, not long reading |
| #A6C1DB text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #A6C1DB text on black | 11.27:1 | AAA | Lc -67.4 | 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300 (this color)
#A6C1DB
oklch(79.9% 0.047 247.4)
-
Step 400
400
#7AA5CE
oklch(70.6% 0.076 247.8)
-
Step 500
500
#578EC1
oklch(63% 0.097 247.8)
-
Step 600
600
#3B78AD
oklch(55.6% 0.104 247.2)
-
Step 700
700
#2C6595
oklch(49.2% 0.098 246.9)
-
Step 800
800
#265279
oklch(42.7% 0.081 247.7)
-
Step 900
900
#244461
oklch(37.6% 0.063 247.6)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#A6C1DB 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) | #B7C1DC | 0.022 |
| Deuteranopia (no green cones) | #B1BBDA | 0.020 |
| Tritanopia (no blue cones) | #97C7C9 | 0.040 |
| Achromatopsia (no color) | #BEBEBE | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6C1DB
#A6C1DB
oklch(79.9% 0.047 247.4)
- #D3B89E
#D3B89E
oklch(79.9% 0.047 66)
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 #A6C1DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.009
- Light Steel Blue #B0C4DE ΔE 0.016
- Light Cornflower Blue #98C1D9 ΔE 0.017
- Light Grey Blue #9DBCD4 ΔE 0.020
- Light Blue Grey #B7C9E2 ΔE 0.032
- French Gray #ADB5BD ΔE 0.044
- Sky Blue #87CEEB ΔE 0.045
- Silver #C0C0C0 ΔE 0.048
Use #A6C1DB 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.