#ADD8FB
Closest named color: Baby Blue (#A2CFFE). oklch(86.4% 0.066 243.1), rgb(173, 216, 251).
Aa
Black text reads best on this color (13.99:1).
About this color
#ADD8FB is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.066 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.030 away. Black text reads best on it, at 13.99:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.99:1 |
| White text | 1.50:1 |
Values
| HEX | #ADD8FB |
| RGB | rgb(173, 216, 251) |
| HSL | hsl(207, 91%, 83%) |
| OKLCH | oklch(86.4% 0.066 243.1) |
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 #ADD8FB | 1.50:1 | Fails | Lc -26.6 | Dividers and decoration only |
| Black text on #ADD8FB | 13.99:1 | AAA | Lc 80.3 | Fine for body text |
| #ADD8FB text on white | 1.50:1 | Fails | Lc 23.4 | Dividers and decoration only |
| #ADD8FB text on black | 13.99:1 | AAA | Lc -79.8 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DCECFA
oklch(93.5% 0.026 244.4)
-
Step 200
200 (this color)
#ADD8FB
oklch(86.4% 0.066 243.1)
-
Step 300
300
#90C8F4
oklch(81% 0.085 242.7)
-
Step 400
400
#47A9EF
oklch(70.8% 0.137 243.3)
-
Step 500
500
#0091DE
oklch(63.1% 0.153 243.2)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#ADD8FB 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) | #CAD8FD | 0.036 |
| Deuteranopia (no green cones) | #C0CFFA | 0.031 |
| Tritanopia (no blue cones) | #95E0E3 | 0.054 |
| Achromatopsia (no color) | #D3D3D3 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD8FB
#ADD8FB
oklch(86.4% 0.066 243.1)
- #F2C9A5
#F2C9A5
oklch(86.3% 0.067 63)
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 #ADD8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.044
- Celeste #A8DADC ΔE 0.047
- Light Periwinkle #C1C6FC ΔE 0.051
- Light Sky Blue #87CEFA ΔE 0.052
- Sky Blue #87CEEB ΔE 0.056
Use #ADD8FB 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.