#ADBFD9
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.042 257.5), rgb(173, 191, 217).
Aa
Black text reads best on this color (11.23:1).
About this color
#ADBFD9 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.042 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.008 away. Black text reads best on it, at 11.23:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.23:1 |
| White text | 1.86:1 |
Values
| HEX | #ADBFD9 |
| RGB | rgb(173, 191, 217) |
| HSL | hsl(215, 37%, 76%) |
| OKLCH | oklch(79.9% 0.042 257.5) |
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 #ADBFD9 | 1.86:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #ADBFD9 | 11.23:1 | AAA | Lc 68.5 | Content text, not long reading |
| #ADBFD9 text on white | 1.86:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #ADBFD9 text on black | 11.23:1 | AAA | Lc -67.2 | Content text, not long reading |
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 300.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE9
oklch(88.5% 0.023 258.4)
-
Step 300
300 (this color)
#ADBFD9
oklch(79.9% 0.042 257.5)
-
Step 400
400
#86A2CB
oklch(70.6% 0.068 257.8)
-
Step 500
500
#688BBD
oklch(63.1% 0.086 257.3)
-
Step 600
600
#5074A9
oklch(55.5% 0.093 257.9)
-
Step 700
700
#406191
oklch(48.9% 0.087 257.7)
-
Step 800
800
#355076
oklch(42.8% 0.072 257)
-
Step 900
900
#2E425F
oklch(37.6% 0.056 257.6)
-
Step 950
950
#1B2738
oklch(27% 0.036 257.1)
#ADBFD9 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) | #B6C0DA | 0.012 |
| Deuteranopia (no green cones) | #B2BCD8 | 0.009 |
| Tritanopia (no blue cones) | #A2C4C7 | 0.036 |
| Achromatopsia (no color) | #BDBDBD | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADBFD9
#ADBFD9
oklch(79.9% 0.042 257.5)
- #CDBBA0
#CDBBA0
oklch(80% 0.042 78)
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 #ADBFD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.008
- Light Steel Blue #B0C4DE ΔE 0.014
- Light Grey Blue #9DBCD4 ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.031
- French Gray #ADB5BD ΔE 0.041
- Silver #C0C0C0 ΔE 0.043
- Sky Blue #87CEEB ΔE 0.054
Use #ADBFD9 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.