#A3D7DB
Closest named color: Celeste (#A8DADC). oklch(84.4% 0.054 202.1), rgb(163, 215, 219).
Aa
Black text reads best on this color (13.30:1).
About this color
#A3D7DB is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.054 and its hue 202°. 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 13.30:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.30:1 |
| White text | 1.57:1 |
Values
| HEX | #A3D7DB |
| RGB | rgb(163, 215, 219) |
| HSL | hsl(184, 44%, 75%) |
| OKLCH | oklch(84.4% 0.054 202.1) |
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 #A3D7DB | 1.57:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #A3D7DB | 13.30:1 | AAA | Lc 77.5 | Fine for body text |
| #A3D7DB text on white | 1.57:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #A3D7DB text on black | 13.30:1 | 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
#C3DFE2
oklch(88.4% 0.03 204.5)
-
Step 300
300 (this color)
#A3D7DB
oklch(84.4% 0.054 202.1)
-
Step 400
400
#57B1B8
oklch(70.8% 0.086 202.2)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#012D30
oklch(27.1% 0.045 201.9)
#A3D7DB 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) | #CFD2DB | 0.054 |
| Deuteranopia (no green cones) | #C5CADB | 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°).
- #A3D7DB
#A3D7DB
oklch(84.4% 0.054 202.1)
- #EDBFBC
#EDBFBC
oklch(84.4% 0.053 22.6)
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 #A3D7DB, 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 0.020
- Powder Blue #B0E0E6 ΔE 0.031
- Tiffany Blue #94D2BD ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.047
- Sky Blue #87CEEB ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.052
- Light Steel Blue #B0C4DE ΔE 0.054
Use #A3D7DB 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.