#A3CED5
Closest named color: Celeste (#A8DADC). oklch(82.3% 0.046 208.5), rgb(163, 206, 213).
Aa
Black text reads best on this color (12.34:1).
About this color
#A3CED5 is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.046 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.033 away. Black text reads best on it, at 12.34:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.34:1 |
| White text | 1.70:1 |
Values
| HEX | #A3CED5 |
| RGB | rgb(163, 206, 213) |
| HSL | hsl(188, 37%, 74%) |
| OKLCH | oklch(82.3% 0.046 208.5) |
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 #A3CED5 | 1.70:1 | Fails | Lc -34.2 | Non-text elements, placeholder text |
| Black text on #A3CED5 | 12.34:1 | AAA | Lc 73.4 | Content text, not long reading |
| #A3CED5 text on white | 1.70:1 | Fails | Lc 30.4 | Non-text elements, placeholder text |
| #A3CED5 text on black | 12.34:1 | AAA | Lc -72.4 | Content text, not long reading |
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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300 (this color)
#A3CED5
oklch(82.3% 0.046 208.5)
-
Step 400
400
#66AEB9
oklch(70.8% 0.074 208.2)
-
Step 500
500
#3199A8
oklch(63.1% 0.094 208.9)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#084A53
oklch(37.6% 0.062 209.4)
-
Step 950
950
#0A2C30
oklch(27.1% 0.039 206.2)
#A3CED5 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) | #C7CAD5 | 0.045 |
| Deuteranopia (no green cones) | #BEC4D5 | 0.041 |
| Tritanopia (no blue cones) | #93D2D0 | 0.023 |
| Achromatopsia (no color) | #C6C6C6 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CED5
#A3CED5
oklch(82.3% 0.046 208.5)
- #E2BAB4
#E2BAB4
oklch(82.2% 0.047 28.1)
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 #A3CED5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.037
- Sky Blue #87CEEB ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.044
Use #A3CED5 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.