#A3CEDB
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.5% 0.049 218.2), rgb(163, 206, 219).
Aa
Black text reads best on this color (12.40:1).
About this color
#A3CEDB is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.049 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.031 away. Black text reads best on it, at 12.40:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.40:1 |
| White text | 1.69:1 |
Values
| HEX | #A3CEDB |
| RGB | rgb(163, 206, 219) |
| HSL | hsl(194, 44%, 75%) |
| OKLCH | oklch(82.5% 0.049 218.2) |
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 #A3CEDB | 1.69:1 | Fails | Lc -33.9 | Non-text elements, placeholder text |
| Black text on #A3CEDB | 12.40:1 | AAA | Lc 73.7 | Content text, not long reading |
| #A3CEDB text on white | 1.69:1 | Fails | Lc 30.1 | Non-text elements, placeholder text |
| #A3CEDB text on black | 12.40:1 | AAA | Lc -72.7 | 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
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300 (this color)
#A3CEDB
oklch(82.5% 0.049 218.2)
-
Step 400
400
#65ADC1
oklch(70.8% 0.078 217.7)
-
Step 500
500
#2F98B2
oklch(63.2% 0.1 218.2)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#074A58
oklch(37.8% 0.065 216.7)
-
Step 950
950
#092B34
oklch(27% 0.041 219)
#A3CEDB 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) | #C5CBDC | 0.043 |
| Deuteranopia (no green cones) | #BCC4DB | 0.039 |
| Tritanopia (no blue cones) | #92D3D2 | 0.029 |
| Achromatopsia (no color) | #C7C7C7 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CEDB
#A3CEDB
oklch(82.5% 0.049 218.2)
- #E3BCAF
#E3BCAF
oklch(82.6% 0.049 39.3)
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 #A3CEDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.032
- Celeste #A8DADC ΔE 0.034
- Sky Blue #87CEEB ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.049
Use #A3CEDB 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.