#A3DADC
Closest named color: Celeste (#A8DADC). oklch(85.1% 0.056 199), rgb(163, 218, 220).
Aa
Black text reads best on this color (13.61:1).
About this color
#A3DADC is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.056 and its hue 199°. 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 13.61:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.61:1 |
| White text | 1.54:1 |
Values
| HEX | #A3DADC |
| RGB | rgb(163, 218, 220) |
| HSL | hsl(182, 45%, 75%) |
| OKLCH | oklch(85.1% 0.056 199) |
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 #A3DADC | 1.54:1 | Fails | Lc -28.3 | Dividers and decoration only |
| Black text on #A3DADC | 13.61:1 | AAA | Lc 78.8 | Fine for body text |
| #A3DADC text on white | 1.54:1 | Fails | Lc 25.0 | Dividers and decoration only |
| #A3DADC text on black | 13.61:1 | 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)
#A3DADC
oklch(85.1% 0.056 199)
-
Step 300
300
#87CFD2
oklch(80.8% 0.072 199.2)
-
Step 400
400
#1CB6BC
oklch(70.7% 0.116 199.2)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#A3DADC 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) | #D2D5DC | 0.058 |
| Deuteranopia (no green cones) | #C8CDDC | 0.054 |
| Tritanopia (no blue cones) | #90DEDA | 0.022 |
| Achromatopsia (no color) | #D0D0D0 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DADC
#A3DADC
oklch(85.1% 0.056 199)
- #F1C0C0
#F1C0C0
oklch(85.1% 0.056 18.3)
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 #A3DADC, 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 0.021
- Powder Blue #B0E0E6 ΔE 0.025
- Tiffany Blue #94D2BD ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.053
- Light Blue Grey #B7C9E2 ΔE 0.053
- Sky Blue #87CEEB ΔE 0.054
- Pale Turquoise #AFEEEE ΔE 0.056
Use #A3DADC 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.