#104C80
Closest named color: Light Navy (#155084). oklch(40.9% 0.105 250), rgb(16, 76, 128).
Aa
White text reads best on this color (8.87:1).
About this color
#104C80 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.105 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.014 away. White text reads best on it, at 8.87:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #104C80 |
| RGB | rgb(16, 76, 128) |
| HSL | hsl(208, 78%, 28%) |
| OKLCH | oklch(40.9% 0.105 250) |
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 #104C80 | 8.87:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #104C80 | 2.36:1 | Fails | Lc 14.1 | Not readable |
| #104C80 text on white | 8.87:1 | AAA | Lc 89.9 | Fine for body text |
| #104C80 text on black | 2.36:1 | Fails | Lc -12.4 | 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
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400
#70A5DC
oklch(70.7% 0.099 250.2)
-
Step 500
500
#488ED2
oklch(63.2% 0.125 249.8)
-
Step 600
600
#2676BF
oklch(55.5% 0.136 250.2)
-
Step 700
700
#1763A5
oklch(49.1% 0.127 250.1)
-
Step 800
800 (this color)
#104C80
oklch(40.9% 0.105 250)
-
Step 900
900
#1A446B
oklch(37.8% 0.082 249.5)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#104C80 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) | #334F82 | 0.033 |
| Deuteranopia (no green cones) | #21457F | 0.022 |
| Tritanopia (no blue cones) | #00585F | 0.076 |
| Achromatopsia (no color) | #4A4A4A | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104C80
#104C80
oklch(40.9% 0.105 250)
- #684000
#684000
oklch(40.9% 0.089 70.1)
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 #104C80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.014
- Deep Sea Blue #015482 ΔE 0.023
- Twilight Blue #0A437A ΔE 0.029
- Cobalt #1E488F ΔE 0.031
- Dusk Blue #26538D ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.068
Use #104C80 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.