#A3C9CE
Closest named color: Cloudy Blue (#ACC2D9). oklch(81% 0.041 206.2), rgb(163, 201, 206).
Aa
Black text reads best on this color (11.80:1).
About this color
#A3C9CE is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.041 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.030 away. Black text reads best on it, at 11.80:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.80:1 |
| White text | 1.77:1 |
Values
| HEX | #A3C9CE |
| RGB | rgb(163, 201, 206) |
| HSL | hsl(187, 30%, 72%) |
| OKLCH | oklch(81% 0.041 206.2) |
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 #A3C9CE | 1.77:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #A3C9CE | 11.80:1 | AAA | Lc 71.1 | Content text, not long reading |
| #A3C9CE text on white | 1.77:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #A3C9CE text on black | 11.80:1 | AAA | Lc -69.9 | 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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300 (this color)
#A3C9CE
oklch(81% 0.041 206.2)
-
Step 400
400
#6EADB5
oklch(70.8% 0.066 206)
-
Step 500
500
#4198A2
oklch(63.1% 0.084 205.6)
-
Step 600
600
#14828E
oklch(55.6% 0.091 206.7)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#0A5A62
oklch(42.8% 0.07 205.8)
-
Step 900
900
#154A50
oklch(37.8% 0.055 205.9)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#A3C9CE 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) | #C3C6CE | 0.041 |
| Deuteranopia (no green cones) | #BBC0CE | 0.037 |
| Tritanopia (no blue cones) | #96CCCA | 0.019 |
| Achromatopsia (no color) | #C2C2C2 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C9CE
#A3C9CE
oklch(81% 0.041 206.2)
- #DAB7B3
#DAB7B3
oklch(80.9% 0.041 25.7)
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 #A3C9CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.040
- Light Grey Blue #9DBCD4 ΔE 0.041
- Silver #C0C0C0 ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
Use #A3C9CE 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.