#ADD3F3
Closest named color: Baby Blue (#A2CFFE). oklch(85% 0.06 244), rgb(173, 211, 243).
Aa
Black text reads best on this color (13.38:1).
About this color
#ADD3F3 is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.060 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.025 away. Black text reads best on it, at 13.38:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.38:1 |
| White text | 1.56:1 |
Values
| HEX | #ADD3F3 |
| RGB | rgb(173, 211, 243) |
| HSL | hsl(207, 74%, 82%) |
| OKLCH | oklch(85% 0.06 244) |
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 #ADD3F3 | 1.56:1 | Fails | Lc -29.3 | Dividers and decoration only |
| Black text on #ADD3F3 | 13.38:1 | AAA | Lc 77.8 | Fine for body text |
| #ADD3F3 text on white | 1.56:1 | Fails | Lc 25.9 | Dividers and decoration only |
| #ADD3F3 text on black | 13.38:1 | AAA | Lc -77.1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200 (this color)
#ADD3F3
oklch(85% 0.06 244)
-
Step 300
300
#96C7F0
oklch(81% 0.078 244.2)
-
Step 400
400
#55A8E8
oklch(70.7% 0.124 244.2)
-
Step 500
500
#0091E0
oklch(63.2% 0.156 243.9)
-
Step 600
600
#0079BD
oklch(55.5% 0.138 244.2)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#012944
oklch(27.1% 0.066 244.1)
#ADD3F3 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) | #C6D3F5 | 0.031 |
| Deuteranopia (no green cones) | #BDCBF2 | 0.027 |
| Tritanopia (no blue cones) | #98DBDD | 0.050 |
| Achromatopsia (no color) | #CECECE | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD3F3
#ADD3F3
oklch(85% 0.06 244)
- #EBC6A5
#EBC6A5
oklch(85% 0.061 63.6)
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 #ADD3F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.042
- Celeste #A8DADC ΔE 0.043
- Powder Blue #B0E0E6 ΔE 0.045
- Light Periwinkle #C1C6FC ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.046
Use #ADD3F3 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.