#A1C9D1
Closest named color: Cloudy Blue (#ACC2D9). oklch(81% 0.044 211.2), rgb(161, 201, 209).
Aa
Black text reads best on this color (11.79:1).
About this color
#A1C9D1 is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.044 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.028 away. Black text reads best on it, at 11.79:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.79:1 |
| White text | 1.78:1 |
Values
| HEX | #A1C9D1 |
| RGB | rgb(161, 201, 209) |
| HSL | hsl(190, 34%, 73%) |
| OKLCH | oklch(81% 0.044 211.2) |
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 #A1C9D1 | 1.78:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #A1C9D1 | 11.79:1 | AAA | Lc 71.0 | Content text, not long reading |
| #A1C9D1 text on white | 1.78:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #A1C9D1 text on black | 11.79:1 | AAA | Lc -69.8 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300 (this color)
#A1C9D1
oklch(81% 0.044 211.2)
-
Step 400
400
#6AADBA
oklch(70.8% 0.071 211.3)
-
Step 500
500
#3A98A8
oklch(63.1% 0.09 210.7)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#104A53
oklch(37.8% 0.059 210.3)
-
Step 950
950
#0D2B31
oklch(27% 0.037 212.9)
#A1C9D1 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) | #C2C6D2 | 0.042 |
| Deuteranopia (no green cones) | #BABFD1 | 0.039 |
| Tritanopia (no blue cones) | #92CDCB | 0.023 |
| Achromatopsia (no color) | #C2C2C2 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1C9D1
#A1C9D1
oklch(81% 0.044 211.2)
- #DCB7B0
#DCB7B0
oklch(81% 0.044 30.6)
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 #A1C9D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.041
- Silver #C0C0C0 ΔE 0.044
- Celeste #A8DADC ΔE 0.046
Use #A1C9D1 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.