#ADD4FD
Closest named color: Baby Blue (#A2CFFE). oklch(85.6% 0.071 249.9), rgb(173, 212, 253).
Aa
Black text reads best on this color (13.61:1).
About this color
#ADD4FD is a light, moderately saturated blue. In OKLCH its lightness is 86%, its chroma 0.071 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.020 away. Black text reads best on it, at 13.61:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.61:1 |
| White text | 1.54:1 |
Values
| HEX | #ADD4FD |
| RGB | rgb(173, 212, 253) |
| HSL | hsl(211, 95%, 84%) |
| OKLCH | oklch(85.6% 0.071 249.9) |
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 #ADD4FD | 1.54:1 | Fails | Lc -28.3 | Dividers and decoration only |
| Black text on #ADD4FD | 13.61:1 | AAA | Lc 78.8 | Fine for body text |
| #ADD4FD text on white | 1.54:1 | Fails | Lc 25.0 | Dividers and decoration only |
| #ADD4FD text on black | 13.61:1 | AAA | Lc -78.1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200 (this color)
#ADD4FD
oklch(85.6% 0.071 249.9)
-
Step 300
300
#93C6FA
oklch(81% 0.091 249.5)
-
Step 400
400
#51A5F7
oklch(70.6% 0.146 250.2)
-
Step 500
500
#008CEF
oklch(63% 0.178 249.9)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004377
oklch(37.7% 0.106 249.9)
-
Step 950
950
#00274A
oklch(26.9% 0.077 250.5)
#ADD4FD 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) | #C5D5FF | 0.030 |
| Deuteranopia (no green cones) | #BBCCFC | 0.025 |
| Tritanopia (no blue cones) | #95DDE1 | 0.060 |
| Achromatopsia (no color) | #D0D0D0 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD4FD
#ADD4FD
oklch(85.6% 0.071 249.9)
- #EEC89E
#EEC89E
oklch(85.5% 0.07 69.5)
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 #ADD4FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.051
- Powder Blue #B0E0E6 ΔE 0.053
- Sky Blue #87CEEB ΔE 0.053
Use #ADD4FD 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.