#104163
Closest named color: Dark Grey Blue (#29465B). oklch(36.2% 0.078 243.9), rgb(16, 65, 99).
Aa
White text reads best on this color (10.72:1).
About this color
#104163 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.078 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 10.72:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #104163 |
| RGB | rgb(16, 65, 99) |
| HSL | hsl(205, 72%, 23%) |
| OKLCH | oklch(36.2% 0.078 243.9) |
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 #104163 | 10.72:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #104163 | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #104163 text on white | 10.72:1 | AAA | Lc 94.5 | Preferred for body text |
| #104163 text on black | 1.95:1 | Fails | Lc -8.1 | Not readable |
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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E4
oklch(81% 0.058 243)
-
Step 400
400
#6CA7D7
oklch(70.7% 0.094 244.2)
-
Step 500
500
#4090CC
oklch(63% 0.119 244.1)
-
Step 600
600
#1679B9
oklch(55.5% 0.13 244.2)
-
Step 700
700
#01669F
oklch(49.1% 0.12 243.7)
-
Step 800
800
#0B5381
oklch(42.6% 0.1 244.1)
-
Step 900
900 (this color)
#104163
oklch(36.2% 0.078 243.9)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#104163 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) | #314264 | 0.034 |
| Deuteranopia (no green cones) | #263A62 | 0.027 |
| Tritanopia (no blue cones) | #00494D | 0.054 |
| Achromatopsia (no color) | #3E3E3E | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104163
#104163
oklch(36.2% 0.078 243.9)
- #593306
#593306
oklch(36.1% 0.077 63.7)
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 #104163, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Marine Blue #01386A ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.039
- Twilight Blue #0A437A ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.039
- Charcoal #264653 ΔE 0.041
- Midnight Green #073B4C ΔE 0.043
- Marine #042E60 ΔE 0.062
Use #104163 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.