#A3CCDB
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.1% 0.048 222.2), rgb(163, 204, 219).
Aa
Black text reads best on this color (12.21:1).
About this color
#A3CCDB is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.048 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.027 away. Black text reads best on it, at 12.21:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.21:1 |
| White text | 1.71:1 |
Values
| HEX | #A3CCDB |
| RGB | rgb(163, 204, 219) |
| HSL | hsl(196, 44%, 75%) |
| OKLCH | oklch(82.1% 0.048 222.2) |
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 #A3CCDB | 1.71:1 | Fails | Lc -34.8 | Non-text elements, placeholder text |
| Black text on #A3CCDB | 12.21:1 | AAA | Lc 72.9 | Content text, not long reading |
| #A3CCDB text on white | 1.71:1 | Fails | Lc 30.9 | Non-text elements, placeholder text |
| #A3CCDB text on black | 12.21:1 | AAA | Lc -71.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300 (this color)
#A3CCDB
oklch(82.1% 0.048 222.2)
-
Step 400
400
#68ACC3
oklch(70.8% 0.077 221.7)
-
Step 500
500
#3696B4
oklch(63% 0.098 222.6)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C86
oklch(49.3% 0.091 222.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#0D495A
oklch(37.8% 0.064 222)
-
Step 950
950
#0B2B35
oklch(27.1% 0.041 222.2)
#A3CCDB 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) | #C3C9DC | 0.040 |
| Deuteranopia (no green cones) | #BAC2DB | 0.037 |
| Tritanopia (no blue cones) | #92D1D1 | 0.030 |
| Achromatopsia (no color) | #C5C5C5 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CCDB
#A3CCDB
oklch(82.1% 0.048 222.2)
- #E1BBAC
#E1BBAC
oklch(82.1% 0.049 42.7)
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 #A3CCDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Sky Blue #87CEEB ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.036
- Celeste #A8DADC ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.044
Use #A3CCDB 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.