#A3DADF
Closest named color: Celeste (#A8DADC). oklch(85.2% 0.057 203.1), rgb(163, 218, 223).
Aa
Black text reads best on this color (13.65:1).
About this color
#A3DADF is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.057 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.007 away. Black text reads best on it, at 13.65:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.65:1 |
| White text | 1.53:1 |
Values
| HEX | #A3DADF |
| RGB | rgb(163, 218, 223) |
| HSL | hsl(185, 48%, 76%) |
| OKLCH | oklch(85.2% 0.057 203.1) |
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 #A3DADF | 1.53:1 | Fails | Lc -28.1 | Dividers and decoration only |
| Black text on #A3DADF | 13.65:1 | AAA | Lc 78.9 | Fine for body text |
| #A3DADF text on white | 1.53:1 | Fails | Lc 24.8 | Dividers and decoration only |
| #A3DADF text on black | 13.65:1 | AAA | Lc -78.3 | 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
#EEF7F8
oklch(97% 0.01 204.9)
-
Step 100
100
#DBEEF0
oklch(93.6% 0.02 204.4)
-
Step 200
200 (this color)
#A3DADF
oklch(85.2% 0.057 203.1)
-
Step 300
300
#86CFD6
oklch(80.9% 0.073 203.5)
-
Step 400
400
#19B5C1
oklch(70.6% 0.117 203.5)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#A3DADF 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) | #D2D5DF | 0.058 |
| Deuteranopia (no green cones) | #C7CDDF | 0.053 |
| Tritanopia (no blue cones) | #8FDEDB | 0.025 |
| Achromatopsia (no color) | #D0D0D0 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DADF
#A3DADF
oklch(85.2% 0.057 203.1)
- #F2C1BD
#F2C1BD
oklch(85.3% 0.057 23.7)
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 #A3DADF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.007
- Light Blue #ADD8E6 ΔE 0.018
- Powder Blue #B0E0E6 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.052
- Sky Blue #87CEEB ΔE 0.052
- Pale Turquoise #AFEEEE ΔE 0.056
Use #A3DADF 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.