#A9D1DF
Closest named color: Light Blue (#ADD8E6). oklch(83.7% 0.046 221.2), rgb(169, 209, 223).
Aa
Black text reads best on this color (12.87:1).
About this color
#A9D1DF is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.046 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.020 away. Black text reads best on it, at 12.87:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.87:1 |
| White text | 1.63:1 |
Values
| HEX | #A9D1DF |
| RGB | rgb(169, 209, 223) |
| HSL | hsl(196, 46%, 77%) |
| OKLCH | oklch(83.7% 0.046 221.2) |
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 #A9D1DF | 1.63:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #A9D1DF | 12.87:1 | AAA | Lc 75.7 | Fine for body text |
| #A9D1DF text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #A9D1DF text on black | 12.87:1 | AAA | Lc -74.8 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300 (this color)
#A9D1DF
oklch(83.7% 0.046 221.2)
-
Step 400
400
#6AACC1
oklch(70.8% 0.074 220.3)
-
Step 500
500
#3A96B2
oklch(63% 0.095 221.6)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#104959
oklch(37.8% 0.062 221.2)
-
Step 950
950
#0C2B34
oklch(27.1% 0.04 220.3)
#A9D1DF 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) | #C8CEE0 | 0.039 |
| Deuteranopia (no green cones) | #C0C8DF | 0.035 |
| Tritanopia (no blue cones) | #99D6D5 | 0.029 |
| Achromatopsia (no color) | #CACACA | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9D1DF
#A9D1DF
oklch(83.7% 0.046 221.2)
- #E5C0B3
#E5C0B3
oklch(83.6% 0.046 40.3)
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 #A9D1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.020
- Celeste #A8DADC ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.047
Use #A9D1DF 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.