#A3C4E4
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.7% 0.058 247.7), rgb(163, 196, 228).
Aa
Black text reads best on this color (11.57:1).
About this color
#A3C4E4 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.058 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.017 away. Black text reads best on it, at 11.57:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.57:1 |
| White text | 1.81:1 |
Values
| HEX | #A3C4E4 |
| RGB | rgb(163, 196, 228) |
| HSL | hsl(210, 55%, 77%) |
| OKLCH | oklch(80.7% 0.058 247.7) |
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 #A3C4E4 | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #A3C4E4 | 11.57:1 | AAA | Lc 70.1 | Content text, not long reading |
| #A3C4E4 text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #A3C4E4 text on black | 11.57:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300 (this color)
#A3C4E4
oklch(80.7% 0.058 247.7)
-
Step 400
400
#71A6D8
oklch(70.8% 0.093 247.8)
-
Step 500
500
#498FCD
oklch(63.2% 0.118 247.6)
-
Step 600
600
#2778BA
oklch(55.7% 0.128 247.6)
-
Step 700
700
#1864A0
oklch(49% 0.119 247.9)
-
Step 800
800
#175282
oklch(42.7% 0.099 247.7)
-
Step 900
900
#1B4468
oklch(37.6% 0.077 248)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#A3C4E4 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) | #B8C4E6 | 0.027 |
| Deuteranopia (no green cones) | #B0BDE3 | 0.023 |
| Tritanopia (no blue cones) | #90CBCE | 0.048 |
| Achromatopsia (no color) | #C0C0C0 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C4E4
#A3C4E4
oklch(80.7% 0.058 247.7)
- #DABA99
#DABA99
oklch(80.8% 0.058 67.7)
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 #A3C4E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.017
- Light Steel Blue #B0C4DE ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.022
- Light Grey Blue #9DBCD4 ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.030
- Sky Blue #87CEEB ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.042
Use #A3C4E4 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.