#A3D7DA
Closest named color: Celeste (#A8DADC). oklch(84.4% 0.054 200.6), rgb(163, 215, 218).
Aa
Black text reads best on this color (13.28:1).
About this color
#A3D7DA is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.054 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.010 away. Black text reads best on it, at 13.28:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.28:1 |
| White text | 1.58:1 |
Values
| HEX | #A3D7DA |
| RGB | rgb(163, 215, 218) |
| HSL | hsl(183, 43%, 75%) |
| OKLCH | oklch(84.4% 0.054 200.6) |
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 #A3D7DA | 1.58:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #A3D7DA | 13.28:1 | AAA | Lc 77.4 | Fine for body text |
| #A3D7DA text on white | 1.58:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #A3D7DA text on black | 13.28:1 | AAA | Lc -76.7 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C3DFE1
oklch(88.4% 0.03 201.9)
-
Step 300
300 (this color)
#A3D7DA
oklch(84.4% 0.054 200.6)
-
Step 400
400
#57B1B6
oklch(70.7% 0.086 200.2)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#012D2F
oklch(27% 0.045 199.5)
#A3D7DA 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) | #D0D2DA | 0.056 |
| Deuteranopia (no green cones) | #C5CADA | 0.051 |
| Tritanopia (no blue cones) | #91DBD8 | 0.022 |
| Achromatopsia (no color) | #CECECE | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D7DA
#A3D7DA
oklch(84.4% 0.054 200.6)
- #EDBFBD
#EDBFBD
oklch(84.5% 0.053 21.2)
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 #A3D7DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.010
- Light Blue #ADD8E6 ΔE 0.021
- Powder Blue #B0E0E6 ΔE 0.032
- Tiffany Blue #94D2BD ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.048
- Sky Blue #87CEEB ΔE 0.050
- Cadet Gray #CED4DA ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.055
Use #A3D7DA 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.