#104365
Closest named color: Dark Grey Blue (#29465B). oklch(36.8% 0.078 243), rgb(16, 67, 101).
Aa
White text reads best on this color (10.43:1).
About this color
#104365 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.078 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 10.43:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #104365 |
| RGB | rgb(16, 67, 101) |
| HSL | hsl(204, 73%, 23%) |
| OKLCH | oklch(36.8% 0.078 243) |
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 #104365 | 10.43:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #104365 | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #104365 text on white | 10.43:1 | AAA | Lc 93.9 | Preferred for body text |
| #104365 text on black | 2.01:1 | Fails | Lc -8.7 | 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
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E4
oklch(80.9% 0.059 242.2)
-
Step 400
400
#6BA7D7
oklch(70.6% 0.094 243.8)
-
Step 500
500
#3D91CC
oklch(63.2% 0.12 242.7)
-
Step 600
600
#0E7AB9
oklch(55.7% 0.13 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#065481
oklch(42.8% 0.1 242.6)
-
Step 900
900 (this color)
#104365
oklch(36.8% 0.078 243)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#104365 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) | #334466 | 0.036 |
| Deuteranopia (no green cones) | #273C64 | 0.027 |
| Tritanopia (no blue cones) | #004B4F | 0.053 |
| Achromatopsia (no color) | #404040 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104365
#104365
oklch(36.8% 0.078 243)
- #5C3508
#5C3508
oklch(37% 0.078 63.3)
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 #104365, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Twilight Blue #0A437A ΔE 0.036
- Charcoal #264653 ΔE 0.039
- Marine Blue #01386A ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.046
- Midnight Green #073B4C ΔE 0.048
- Dark Teal #014D4E ΔE 0.060
Use #104365 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.