#A3DCFF
Closest named color: Light Blue (#ADD8E6). oklch(86.7% 0.076 235.8), rgb(163, 220, 255).
Aa
Black text reads best on this color (14.23:1).
About this color
#A3DCFF is a light, moderately saturated blue. In OKLCH its lightness is 87%, its chroma 0.076 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.034 away. Black text reads best on it, at 14.23:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.23:1 |
| White text | 1.47:1 |
Values
| HEX | #A3DCFF |
| RGB | rgb(163, 220, 255) |
| HSL | hsl(203, 100%, 82%) |
| OKLCH | oklch(86.7% 0.076 235.8) |
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 #A3DCFF | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #A3DCFF | 14.23:1 | AAA | Lc 81.3 | Fine for body text |
| #A3DCFF text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #A3DCFF text on black | 14.23:1 | AAA | Lc -80.9 | Fine for body text |
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 200.
-
Step 50
50
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#D9EDFB
oklch(93.6% 0.028 238.2)
-
Step 200
200 (this color)
#A3DCFF
oklch(86.7% 0.076 235.8)
-
Step 300
300
#80CBF7
oklch(80.9% 0.097 235.5)
-
Step 400
400
#00ADF1
oklch(70.7% 0.151 235.7)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#A3DCFF 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) | #CCDAFF | 0.048 |
| Deuteranopia (no green cones) | #BFD0FE | 0.043 |
| Tritanopia (no blue cones) | #83E5E7 | 0.058 |
| Achromatopsia (no color) | #D5D5D5 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DCFF
#A3DCFF
oklch(86.7% 0.076 235.8)
- #FBC7A4
#FBC7A4
oklch(86.7% 0.076 55.4)
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 #A3DCFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.042
- Celeste #A8DADC ΔE 0.048
- Light Sky Blue #87CEFA ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.055
- Sky Blue #87CEEB ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #A3DCFF 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.