#ADD9FB
Closest named color: Light Blue (#ADD8E6). oklch(86.6% 0.066 241.7), rgb(173, 217, 251).
Aa
Black text reads best on this color (14.09:1).
About this color
#ADD9FB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.066 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.029 away. Black text reads best on it, at 14.09:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.09:1 |
| White text | 1.48:1 |
Values
| HEX | #ADD9FB |
| RGB | rgb(173, 217, 251) |
| HSL | hsl(206, 91%, 83%) |
| OKLCH | oklch(86.6% 0.066 241.7) |
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 #ADD9FB | 1.48:1 | Fails | Lc -26.1 | Dividers and decoration only |
| Black text on #ADD9FB | 14.09:1 | AAA | Lc 80.7 | Fine for body text |
| #ADD9FB text on white | 1.48:1 | Fails | Lc 23.0 | Dividers and decoration only |
| #ADD9FB text on black | 14.09:1 | AAA | Lc -80.2 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DCECF9
oklch(93.5% 0.025 242.3)
-
Step 200
200 (this color)
#ADD9FB
oklch(86.6% 0.066 241.7)
-
Step 300
300
#8FC8F3
oklch(80.9% 0.085 241.6)
-
Step 400
400
#44AAED
oklch(70.8% 0.135 241.4)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002942
oklch(26.9% 0.063 241.6)
#ADD9FB 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) | #CBD8FD | 0.037 |
| Deuteranopia (no green cones) | #C1D0FA | 0.032 |
| Tritanopia (no blue cones) | #95E1E4 | 0.052 |
| Achromatopsia (no color) | #D3D3D3 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD9FB
#ADD9FB
oklch(86.6% 0.066 241.7)
- #F3CAA7
#F3CAA7
oklch(86.6% 0.066 62.3)
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 #ADD9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.046
- Celeste #A8DADC ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.054
- Light Periwinkle #C1C6FC ΔE 0.054
- Cadet Gray #CED4DA ΔE 0.056
Use #ADD9FB 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.