#A9D2DE
Closest named color: Light Blue (#ADD8E6). oklch(83.8% 0.046 217.5), rgb(169, 210, 222).
Aa
Black text reads best on this color (12.96:1).
About this color
#A9D2DE is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.046 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 12.96:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.96:1 |
| White text | 1.62:1 |
Values
| HEX | #A9D2DE |
| RGB | rgb(169, 210, 222) |
| HSL | hsl(194, 45%, 77%) |
| OKLCH | oklch(83.8% 0.046 217.5) |
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 #A9D2DE | 1.62:1 | Fails | Lc -31.3 | Non-text elements, placeholder text |
| Black text on #A9D2DE | 12.96:1 | AAA | Lc 76.0 | Fine for body text |
| #A9D2DE text on white | 1.62:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #A9D2DE text on black | 12.96:1 | AAA | Lc -75.2 | Fine for body text |
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
#C7DEE4
oklch(88.5% 0.026 215.2)
-
Step 300
300 (this color)
#A9D2DE
oklch(83.8% 0.046 217.5)
-
Step 400
400
#68ACBF
oklch(70.6% 0.074 217.7)
-
Step 500
500
#3797AF
oklch(63.1% 0.094 217.6)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#0E4957
oklch(37.6% 0.062 218)
-
Step 950
950
#0C2B33
oklch(27% 0.039 217.8)
#A9D2DE 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) | #CACFDF | 0.042 |
| Deuteranopia (no green cones) | #C1C8DE | 0.038 |
| Tritanopia (no blue cones) | #99D7D6 | 0.027 |
| Achromatopsia (no color) | #CBCBCB | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9D2DE
#A9D2DE
oklch(83.8% 0.046 217.5)
- #E6C0B5
#E6C0B5
oklch(83.8% 0.046 36.7)
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 #A9D2DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Celeste #A8DADC ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.047
Use #A9D2DE 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.