#ADD3FF
Closest named color: Baby Blue (#A2CFFE). oklch(85.5% 0.074 252.4), rgb(173, 211, 255).
Aa
Black text reads best on this color (13.53:1).
About this color
#ADD3FF is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.074 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.018 away. Black text reads best on it, at 13.53:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.53:1 |
| White text | 1.55:1 |
Values
| HEX | #ADD3FF |
| RGB | rgb(173, 211, 255) |
| HSL | hsl(212, 100%, 84%) |
| OKLCH | oklch(85.5% 0.074 252.4) |
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 #ADD3FF | 1.55:1 | Fails | Lc -28.6 | Dividers and decoration only |
| Black text on #ADD3FF | 13.53:1 | AAA | Lc 78.5 | Fine for body text |
| #ADD3FF text on white | 1.55:1 | Fails | Lc 25.3 | Dividers and decoration only |
| #ADD3FF text on black | 13.53:1 | AAA | Lc -77.8 | 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 200.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200 (this color)
#ADD3FF
oklch(85.5% 0.074 252.4)
-
Step 300
300
#94C5FD
oklch(81% 0.095 252.3)
-
Step 400
400
#53A4FC
oklch(70.7% 0.152 252.4)
-
Step 500
500
#008AF8
oklch(63.2% 0.191 252.4)
-
Step 600
600
#0074D1
oklch(55.7% 0.167 252.1)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#00427B
oklch(37.7% 0.113 252.1)
-
Step 950
950
#01274C
oklch(27.1% 0.08 252.1)
#ADD3FF 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) | #C3D4FF | 0.027 |
| Deuteranopia (no green cones) | #B9CCFE | 0.022 |
| Tritanopia (no blue cones) | #94DDE1 | 0.064 |
| Achromatopsia (no color) | #CFCFCF | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD3FF
#ADD3FF
oklch(85.5% 0.074 252.4)
- #EEC89A
#EEC89A
oklch(85.5% 0.074 71.9)
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 #ADD3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.018
- Light Periwinkle #C1C6FC ΔE 0.039
- Light Blue Grey #B7C9E2 ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.051
- Sky Blue #87CEEB ΔE 0.054
- Sky #82CAFC ΔE 0.055
Use #ADD3FF 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.