#ADC4D9
Closest named color: Cloudy Blue (#ACC2D9). oklch(81% 0.039 245.9), rgb(173, 196, 217).
Aa
Black text reads best on this color (11.67:1).
About this color
#ADC4D9 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.039 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.006 away. Black text reads best on it, at 11.67:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.67:1 |
| White text | 1.79:1 |
Values
| HEX | #ADC4D9 |
| RGB | rgb(173, 196, 217) |
| HSL | hsl(209, 37%, 76%) |
| OKLCH | oklch(81% 0.039 245.9) |
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 #ADC4D9 | 1.79:1 | Fails | Lc -37.4 | Non-text elements, placeholder text |
| Black text on #ADC4D9 | 11.67:1 | AAA | Lc 70.5 | Content text, not long reading |
| #ADC4D9 text on white | 1.79:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #ADC4D9 text on black | 11.67:1 | AAA | Lc -69.3 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300 (this color)
#ADC4D9
oklch(81% 0.039 245.9)
-
Step 400
400
#81A5C6
oklch(70.7% 0.063 246.5)
-
Step 500
500
#608EB7
oklch(63% 0.08 246.4)
-
Step 600
600
#4678A3
oklch(55.6% 0.086 246.1)
-
Step 700
700
#37658C
oklch(49.2% 0.081 246)
-
Step 800
800
#2E5271
oklch(42.6% 0.067 246.2)
-
Step 900
900
#29445C
oklch(37.6% 0.053 246.6)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#ADC4D9 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) | #BCC4DA | 0.020 |
| Deuteranopia (no green cones) | #B6BFD9 | 0.017 |
| Tritanopia (no blue cones) | #A1C9CB | 0.032 |
| Achromatopsia (no color) | #C1C1C1 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADC4D9
#ADC4D9
oklch(81% 0.039 245.9)
- #D3BCA7
#D3BCA7
oklch(80.9% 0.039 64.6)
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 #ADC4D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.006
- Light Steel Blue #B0C4DE ΔE 0.009
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.031
- Silver #C0C0C0 ΔE 0.039
- French Gray #ADB5BD ΔE 0.047
- Sky Blue #87CEEB ΔE 0.048
Use #ADC4D9 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.