#104B7D
Closest named color: Light Navy (#155084). oklch(40.4% 0.102 249.4), rgb(16, 75, 125).
Aa
White text reads best on this color (9.03:1).
About this color
#104B7D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.102 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.019 away. White text reads best on it, at 9.03:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #104B7D |
| RGB | rgb(16, 75, 125) |
| HSL | hsl(208, 77%, 28%) |
| OKLCH | oklch(40.4% 0.102 249.4) |
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 #104B7D | 9.03:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #104B7D | 2.32:1 | Fails | Lc 13.6 | Not readable |
| #104B7D text on white | 9.03:1 | AAA | Lc 90.3 | Preferred for body text |
| #104B7D text on black | 2.32:1 | Fails | Lc -11.9 | 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
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E6
oklch(80.8% 0.059 250.1)
-
Step 400
400
#71A5DA
oklch(70.6% 0.096 249.8)
-
Step 500
500
#498ED0
oklch(63.1% 0.122 249.4)
-
Step 600
600
#2877BD
oklch(55.7% 0.132 249.4)
-
Step 700
700
#1964A3
oklch(49.2% 0.123 249.1)
-
Step 800
800 (this color)
#104B7D
oklch(40.4% 0.102 249.4)
-
Step 900
900
#1B446A
oklch(37.7% 0.08 249.3)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#104B7D 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) | #334E7F | 0.033 |
| Deuteranopia (no green cones) | #22447C | 0.022 |
| Tritanopia (no blue cones) | #00575E | 0.073 |
| Achromatopsia (no color) | #494949 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B7D
#104B7D
oklch(40.4% 0.102 249.4)
- #673F00
#673F00
oklch(40.6% 0.088 69.7)
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 #104B7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.019
- Twilight Blue #0A437A ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.027
- Cobalt #1E488F ΔE 0.034
- Dusk Blue #26538D ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.058
- Marine Blue #01386A ΔE 0.065
Use #104B7D 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.