#A4D3FB
Closest named color: Baby Blue (#A2CFFE). oklch(84.8% 0.075 244.5), rgb(164, 211, 251).
Aa
Black text reads best on this color (13.28:1).
About this color
#A4D3FB is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.075 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.013 away. Black text reads best on it, at 13.28:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.28:1 |
| White text | 1.58:1 |
Values
| HEX | #A4D3FB |
| RGB | rgb(164, 211, 251) |
| HSL | hsl(208, 92%, 81%) |
| OKLCH | oklch(84.8% 0.075 244.5) |
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 #A4D3FB | 1.58:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #A4D3FB | 13.28:1 | AAA | Lc 77.5 | Fine for body text |
| #A4D3FB text on white | 1.58:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #A4D3FB text on black | 13.28:1 | AAA | Lc -76.7 | 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
#EFF7FE
oklch(97.2% 0.013 244.3)
-
Step 100
100
#DBECFC
oklch(93.5% 0.028 246.5)
-
Step 200
200 (this color)
#A4D3FB
oklch(84.8% 0.075 244.5)
-
Step 300
300
#8AC8FB
oklch(81% 0.096 244.2)
-
Step 400
400
#38A8F9
oklch(70.6% 0.154 244.9)
-
Step 500
500
#0090E1
oklch(63.1% 0.158 244.7)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0066A1
oklch(49.2% 0.123 244.5)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#A4D3FB 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) | #C3D3FD | 0.038 |
| Deuteranopia (no green cones) | #B8CAFA | 0.031 |
| Tritanopia (no blue cones) | #87DDE0 | 0.062 |
| Achromatopsia (no color) | #CECECE | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D3FB
#A4D3FB
oklch(84.8% 0.075 244.5)
- #F0C39A
#F0C39A
oklch(84.7% 0.075 63.9)
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 #A4D3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.013
- Light Sky Blue #87CEFA ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.042
- Sky #82CAFC ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.048
Use #A4D3FB 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.