#A4D1FA
Closest named color: Baby Blue (#A2CFFE). oklch(84.3% 0.075 246.3), rgb(164, 209, 250).
Aa
Black text reads best on this color (13.07:1).
About this color
#A4D1FA is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.075 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.009 away. Black text reads best on it, at 13.07:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.07:1 |
| White text | 1.60:1 |
Values
| HEX | #A4D1FA |
| RGB | rgb(164, 209, 250) |
| HSL | hsl(209, 90%, 81%) |
| OKLCH | oklch(84.3% 0.075 246.3) |
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 #A4D1FA | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #A4D1FA | 13.07:1 | AAA | Lc 76.6 | Fine for body text |
| #A4D1FA text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #A4D1FA text on black | 13.07:1 | AAA | Lc -75.8 | 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 300.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C4DDF4
oklch(88.6% 0.042 246)
-
Step 300
300 (this color)
#A4D1FA
oklch(84.3% 0.075 246.3)
-
Step 400
400
#5DA7E6
oklch(70.7% 0.119 246.2)
-
Step 500
500
#1F8FDF
oklch(63% 0.152 246.3)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#004472
oklch(37.6% 0.099 246.8)
-
Step 950
950
#052843
oklch(26.9% 0.064 246.6)
#A4D1FA 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) | #C1D1FC | 0.036 |
| Deuteranopia (no green cones) | #B6C8F9 | 0.030 |
| Tritanopia (no blue cones) | #88DBDE | 0.063 |
| Achromatopsia (no color) | #CCCCCC | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D1FA
#A4D1FA
oklch(84.3% 0.075 246.3)
- #EDC398
#EDC398
oklch(84.4% 0.074 67.2)
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 #A4D1FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.009
- Light Sky Blue #87CEFA ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.040
- Sky #82CAFC ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.044
Use #A4D1FA 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.