#A3DADD
Closest named color: Celeste (#A8DADC). oklch(85.2% 0.057 200.4), rgb(163, 218, 221).
Aa
Black text reads best on this color (13.62:1).
About this color
#A3DADD is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.057 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.006 away. Black text reads best on it, at 13.62:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.62:1 |
| White text | 1.54:1 |
Values
| HEX | #A3DADD |
| RGB | rgb(163, 218, 221) |
| HSL | hsl(183, 46%, 75%) |
| OKLCH | oklch(85.2% 0.057 200.4) |
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 #A3DADD | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #A3DADD | 13.62:1 | AAA | Lc 78.9 | Fine for body text |
| #A3DADD text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #A3DADD text on black | 13.62:1 | AAA | Lc -78.2 | 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 200.
-
Step 50
50
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DBEEEF
oklch(93.5% 0.02 200.6)
-
Step 200
200 (this color)
#A3DADD
oklch(85.2% 0.057 200.4)
-
Step 300
300
#87CFD3
oklch(80.9% 0.072 200.3)
-
Step 400
400
#1BB6BD
oklch(70.7% 0.116 199.9)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#A3DADD 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) | #D2D5DD | 0.058 |
| Deuteranopia (no green cones) | #C7CDDD | 0.053 |
| Tritanopia (no blue cones) | #8FDEDB | 0.023 |
| Achromatopsia (no color) | #D0D0D0 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DADD
#A3DADD
oklch(85.2% 0.057 200.4)
- #F1C0BF
#F1C0BF
oklch(85.1% 0.056 19.7)
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 #A3DADD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.006
- Light Blue #ADD8E6 ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.025
- Tiffany Blue #94D2BD ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.052
- Sky Blue #87CEEB ΔE 0.054
- Pale Turquoise #AFEEEE ΔE 0.056
Use #A3DADD 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.