#104D7D
Closest named color: Light Navy (#155084). oklch(40.9% 0.1 247.8), rgb(16, 77, 125).
Aa
White text reads best on this color (8.82:1).
About this color
#104D7D is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.100 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.015 away. White text reads best on it, at 8.82:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #104D7D |
| RGB | rgb(16, 77, 125) |
| HSL | hsl(206, 77%, 28%) |
| OKLCH | oklch(40.9% 0.1 247.8) |
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 #104D7D | 8.82:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #104D7D | 2.37:1 | Fails | Lc 14.2 | Not readable |
| #104D7D text on white | 8.82:1 | AAA | Lc 89.8 | Fine for body text |
| #104D7D text on black | 2.37:1 | Fails | Lc -12.5 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A3C5E5
oklch(80.9% 0.058 247)
-
Step 400
400
#70A6D8
oklch(70.7% 0.093 247.4)
-
Step 500
500
#488FCE
oklch(63.2% 0.119 247.7)
-
Step 600
600
#2578BB
oklch(55.7% 0.13 247.6)
-
Step 700
700
#1764A1
oklch(49.1% 0.121 248.1)
-
Step 800
800 (this color)
#104D7D
oklch(40.9% 0.1 247.8)
-
Step 900
900
#1A4469
oklch(37.6% 0.079 248.2)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#104D7D 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) | #36507F | 0.036 |
| Deuteranopia (no green cones) | #26467C | 0.024 |
| Tritanopia (no blue cones) | #00595F | 0.072 |
| Achromatopsia (no color) | #4A4A4A | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104D7D
#104D7D
oklch(40.9% 0.1 247.8)
- #6A3F00
#6A3F00
oklch(41% 0.09 67.4)
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 #104D7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.015
- Deep Sea Blue #015482 ΔE 0.021
- Twilight Blue #0A437A ΔE 0.031
- Dusk Blue #26538D ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.058
- YInMn Blue #415A77 ΔE 0.067
Use #104D7D 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.