#A3C3EB
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.7% 0.067 254.2), rgb(163, 195, 235).
Aa
Black text reads best on this color (11.56:1).
About this color
#A3C3EB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.067 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.025 away. Black text reads best on it, at 11.56:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.56:1 |
| White text | 1.81:1 |
Values
| HEX | #A3C3EB |
| RGB | rgb(163, 195, 235) |
| HSL | hsl(213, 64%, 78%) |
| OKLCH | oklch(80.7% 0.067 254.2) |
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 #A3C3EB | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #A3C3EB | 11.56:1 | AAA | Lc 70.0 | Content text, not long reading |
| #A3C3EB text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #A3C3EB text on black | 11.56:1 | AAA | Lc -68.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300 (this color)
#A3C3EB
oklch(80.7% 0.067 254.2)
-
Step 400
400
#71A4E2
oklch(70.8% 0.106 253.9)
-
Step 500
500
#4A8BDA
oklch(63% 0.137 254.6)
-
Step 600
600
#2A74C7
oklch(55.7% 0.148 254.1)
-
Step 700
700
#1C61AC
oklch(49.2% 0.137 254)
-
Step 800
800
#1A4F8B
oklch(42.6% 0.114 254.3)
-
Step 900
900
#1C426F
oklch(37.6% 0.089 254.4)
-
Step 950
950
#112741
oklch(26.9% 0.056 253.9)
#A3C3EB 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) | #B5C4ED | 0.023 |
| Deuteranopia (no green cones) | #ACBDEA | 0.018 |
| Tritanopia (no blue cones) | #8ECCD0 | 0.058 |
| Achromatopsia (no color) | #C0C0C0 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C3EB
#A3C3EB
oklch(80.7% 0.067 254.2)
- #DABA90
#DABA90
oklch(80.6% 0.067 74.2)
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 #A3C3EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.025
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Pastel Blue #A2BFFE ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.039
Use #A3C3EB 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.