#A4D3FF
Closest named color: Baby Blue (#A2CFFE). oklch(84.9% 0.079 247.1), rgb(164, 211, 255).
Aa
Black text reads best on this color (13.34:1).
About this color
#A4D3FF is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.079 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.011 away. Black text reads best on it, at 13.34:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.34:1 |
| White text | 1.57:1 |
Values
| HEX | #A4D3FF |
| RGB | rgb(164, 211, 255) |
| HSL | hsl(209, 100%, 82%) |
| OKLCH | oklch(84.9% 0.079 247.1) |
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 #A4D3FF | 1.57:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #A4D3FF | 13.34:1 | AAA | Lc 77.7 | Fine for body text |
| #A4D3FF text on white | 1.57:1 | Fails | Lc 26.1 | Dividers and decoration only |
| #A4D3FF text on black | 13.34:1 | AAA | Lc -76.9 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#DBECFD
oklch(93.6% 0.029 248.1)
-
Step 200
200 (this color)
#A4D3FF
oklch(84.9% 0.079 247.1)
-
Step 300
300
#8AC7FF
oklch(80.9% 0.101 247.1)
-
Step 400
400
#38A7FF
oklch(70.7% 0.162 247.1)
-
Step 500
500
#008FE7
oklch(63.2% 0.166 246.8)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#002847
oklch(27% 0.072 247.4)
#A4D3FF 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) | #C2D3FF | 0.036 |
| Deuteranopia (no green cones) | #B6CAFE | 0.030 |
| Tritanopia (no blue cones) | #86DDE1 | 0.066 |
| Achromatopsia (no color) | #CECECE | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D3FF
#A4D3FF
oklch(84.9% 0.079 247.1)
- #F1C496
#F1C496
oklch(84.9% 0.079 67)
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 #A4D3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.011
- Light Sky Blue #87CEFA ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.045
- Sky Blue #87CEEB ΔE 0.046
- Sky #82CAFC ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.051
Use #A4D3FF 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.