#ADC8DA
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.8% 0.039 237.2), rgb(173, 200, 218).
Aa
Black text reads best on this color (12.05:1).
About this color
#ADC8DA is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.039 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.014 away. Black text reads best on it, at 12.05:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.05:1 |
| White text | 1.74:1 |
Values
| HEX | #ADC8DA |
| RGB | rgb(173, 200, 218) |
| HSL | hsl(204, 38%, 77%) |
| OKLCH | oklch(81.8% 0.039 237.2) |
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 #ADC8DA | 1.74:1 | Fails | Lc -35.6 | Non-text elements, placeholder text |
| Black text on #ADC8DA | 12.05:1 | AAA | Lc 72.1 | Content text, not long reading |
| #ADC8DA text on white | 1.74:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #ADC8DA text on black | 12.05:1 | AAA | Lc -71.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE6
oklch(88.6% 0.021 236.8)
-
Step 300
300 (this color)
#ADC8DA
oklch(81.8% 0.039 237.2)
-
Step 400
400
#7CA7C3
oklch(70.7% 0.062 237.3)
-
Step 500
500
#5991B4
oklch(63.2% 0.079 237.3)
-
Step 600
600
#3C7B9F
oklch(55.7% 0.086 236.2)
-
Step 700
700
#2E6788
oklch(49.1% 0.08 236.9)
-
Step 800
800
#27546F
oklch(42.7% 0.067 237.5)
-
Step 900
900
#25465A
oklch(37.8% 0.052 236.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#ADC8DA 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) | #C0C7DB | 0.025 |
| Deuteranopia (no green cones) | #BAC2DA | 0.022 |
| Tritanopia (no blue cones) | #A1CDCE | 0.029 |
| Achromatopsia (no color) | #C4C4C4 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADC8DA
#ADC8DA
oklch(81.8% 0.039 237.2)
- #D8BEAC
#D8BEAC
oklch(81.9% 0.039 56.8)
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 #ADC8DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.014
- Cloudy Blue #ACC2D9 ΔE 0.016
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.039
- Silver #C0C0C0 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.045
Use #ADC8DA 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.