#A4D1FF
Closest named color: Baby Blue (#A2CFFE). oklch(84.5% 0.08 249.4), rgb(164, 209, 255).
Aa
Black text reads best on this color (13.14:1).
About this color
#A4D1FF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.080 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.006 away. Black text reads best on it, at 13.14:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.14:1 |
| White text | 1.59:1 |
Values
| HEX | #A4D1FF |
| RGB | rgb(164, 209, 255) |
| HSL | hsl(210, 100%, 82%) |
| OKLCH | oklch(84.5% 0.08 249.4) |
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 #A4D1FF | 1.59:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #A4D1FF | 13.14:1 | AAA | Lc 76.8 | Fine for body text |
| #A4D1FF text on white | 1.59:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #A4D1FF text on black | 13.14:1 | AAA | Lc -76.0 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFECF9
oklch(93.7% 0.022 248.1)
-
Step 200
200
#C3DCF6
oklch(88.4% 0.045 249.4)
-
Step 300
300 (this color)
#A4D1FF
oklch(84.5% 0.08 249.4)
-
Step 400
400
#5CA6ED
oklch(70.8% 0.128 249.2)
-
Step 500
500
#1F8DE7
oklch(63% 0.164 249.4)
-
Step 600
600
#0076C9
oklch(55.6% 0.155 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#052846
oklch(27.1% 0.068 249.1)
#A4D1FF 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) | #BFD2FF | 0.033 |
| Deuteranopia (no green cones) | #B4C8FE | 0.028 |
| Tritanopia (no blue cones) | #86DBE0 | 0.068 |
| Achromatopsia (no color) | #CCCCCC | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D1FF
#A4D1FF
oklch(84.5% 0.08 249.4)
- #EFC393
#EFC393
oklch(84.5% 0.08 68.8)
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 #A4D1FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.006
- Light Sky Blue #87CEFA ΔE 0.034
- Light Periwinkle #C1C6FC ΔE 0.042
- Sky #82CAFC ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.043
- Sky Blue #87CEEB ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.048
Use #A4D1FF 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.