#ADC3DD
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.9% 0.044 252.7), rgb(173, 195, 221).
Aa
Black text reads best on this color (11.62:1).
About this color
#ADC3DD is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.044 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.005 away. Black text reads best on it, at 11.62:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.62:1 |
| White text | 1.80:1 |
Values
| HEX | #ADC3DD |
| RGB | rgb(173, 195, 221) |
| HSL | hsl(213, 41%, 77%) |
| OKLCH | oklch(80.9% 0.044 252.7) |
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 #ADC3DD | 1.80:1 | Fails | Lc -37.6 | Non-text elements, placeholder text |
| Black text on #ADC3DD | 11.62:1 | AAA | Lc 70.3 | Content text, not long reading |
| #ADC3DD text on white | 1.80:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #ADC3DD text on black | 11.62:1 | AAA | Lc -69.0 | 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
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300 (this color)
#ADC3DD
oklch(80.9% 0.044 252.7)
-
Step 400
400
#81A4CC
oklch(70.7% 0.07 252.1)
-
Step 500
500
#618DBF
oklch(63.2% 0.09 252.4)
-
Step 600
600
#4776AB
oklch(55.6% 0.098 252.6)
-
Step 700
700
#386393
oklch(49.1% 0.091 252.5)
-
Step 800
800
#2F5177
oklch(42.7% 0.075 252.4)
-
Step 900
900
#2A4360
oklch(37.6% 0.059 253)
-
Step 950
950
#192738
oklch(26.9% 0.037 253.8)
#ADC3DD 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) | #BAC3DE | 0.017 |
| Deuteranopia (no green cones) | #B4BFDC | 0.013 |
| Tritanopia (no blue cones) | #A0C9CB | 0.039 |
| Achromatopsia (no color) | #C1C1C1 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADC3DD
#ADC3DD
oklch(80.9% 0.044 252.7)
- #D3BDA2
#D3BDA2
oklch(81% 0.044 72.8)
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 #ADC3DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.005
- Cloudy Blue #ACC2D9 ΔE 0.006
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.030
- Silver #C0C0C0 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.048
Use #ADC3DD 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.