#104D80
Closest named color: Light Navy (#155084). oklch(41.1% 0.104 249.2), rgb(16, 77, 128).
Aa
White text reads best on this color (8.76:1).
About this color
#104D80 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.104 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.011 away. White text reads best on it, at 8.76:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #104D80 |
| RGB | rgb(16, 77, 128) |
| HSL | hsl(207, 78%, 28%) |
| OKLCH | oklch(41.1% 0.104 249.2) |
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 #104D80 | 8.76:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #104D80 | 2.39:1 | Fails | Lc 14.4 | Not readable |
| #104D80 text on white | 8.76:1 | AAA | Lc 89.6 | Fine for body text |
| #104D80 text on black | 2.39:1 | Fails | Lc -12.6 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400
#70A5DB
oklch(70.6% 0.098 249.8)
-
Step 500
500
#478ED1
oklch(63.1% 0.124 249.2)
-
Step 600
600
#2477BE
oklch(55.6% 0.135 249)
-
Step 700
700
#1664A4
oklch(49.2% 0.125 249)
-
Step 800
800 (this color)
#104D80
oklch(41.1% 0.104 249.2)
-
Step 900
900
#1A446A
oklch(37.7% 0.08 248.9)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#104D80 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) | #345082 | 0.034 |
| Deuteranopia (no green cones) | #23467F | 0.022 |
| Tritanopia (no blue cones) | #005960 | 0.075 |
| Achromatopsia (no color) | #4B4B4B | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104D80
#104D80
oklch(41.1% 0.104 249.2)
- #694000
#694000
oklch(41% 0.089 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 #104D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.011
- Deep Sea Blue #015482 ΔE 0.021
- Twilight Blue #0A437A ΔE 0.031
- Cobalt #1E488F ΔE 0.032
- Dusk Blue #26538D ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.066
Use #104D80 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.