#104F85
Closest named color: Light Navy (#155084). oklch(42% 0.108 249.9), rgb(16, 79, 133).
Aa
White text reads best on this color (8.47:1).
About this color
#104F85 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.108 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.005 away. White text reads best on it, at 8.47:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #104F85 |
| RGB | rgb(16, 79, 133) |
| HSL | hsl(208, 79%, 29%) |
| OKLCH | oklch(42% 0.108 249.9) |
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 #104F85 | 8.47:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #104F85 | 2.47:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #104F85 text on white | 8.47:1 | AAA | Lc 88.7 | Fine for body text |
| #104F85 text on black | 2.47:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C4E9
oklch(80.8% 0.064 250.8)
-
Step 400
400
#6EA5DD
oklch(70.6% 0.101 249.9)
-
Step 500
500
#458ED4
oklch(63.2% 0.129 249.7)
-
Step 600
600
#2076C1
oklch(55.5% 0.14 249.9)
-
Step 700
700
#1163A7
oklch(49.1% 0.131 250)
-
Step 800
800 (this color)
#104F85
oklch(42% 0.108 249.9)
-
Step 900
900
#18446C
oklch(37.8% 0.084 249.3)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#104F85 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) | #355287 | 0.034 |
| Deuteranopia (no green cones) | #224884 | 0.022 |
| Tritanopia (no blue cones) | #005C63 | 0.079 |
| Achromatopsia (no color) | #4D4D4D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F85
#104F85
oklch(42% 0.108 249.9)
- #6C4200
#6C4200
oklch(41.9% 0.091 69.3)
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 #104F85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.005
- Deep Sea Blue #015482 ΔE 0.017
- Dusk Blue #26538D ΔE 0.025
- Cobalt #1E488F ΔE 0.029
- Twilight Blue #0A437A ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.058
- YInMn Blue #415A77 ΔE 0.066
Use #104F85 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.