#104B82
Closest named color: Light Navy (#155084). oklch(40.8% 0.109 251.5), rgb(16, 75, 130).
Aa
White text reads best on this color (8.93:1).
About this color
#104B82 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.109 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.016 away. White text reads best on it, at 8.93:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.35:1 |
| White text | 8.93:1 |
Values
| HEX | #104B82 |
| RGB | rgb(16, 75, 130) |
| HSL | hsl(209, 78%, 29%) |
| OKLCH | oklch(40.8% 0.109 251.5) |
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 #104B82 | 8.93:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #104B82 | 2.35:1 | Fails | Lc 13.9 | Not readable |
| #104B82 text on white | 8.93:1 | AAA | Lc 90.0 | Preferred for body text |
| #104B82 text on black | 2.35:1 | Fails | Lc -12.2 | 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
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A3C4E9
oklch(80.9% 0.064 251.5)
-
Step 400
400
#70A5DE
oklch(70.8% 0.101 251.1)
-
Step 500
500
#488DD5
oklch(63.1% 0.13 251.5)
-
Step 600
600
#2675C2
oklch(55.5% 0.141 251.6)
-
Step 700
700
#1762A8
oklch(49% 0.132 251.6)
-
Step 800
800 (this color)
#104B82
oklch(40.8% 0.109 251.5)
-
Step 900
900
#1A436D
oklch(37.6% 0.085 251.6)
-
Step 950
950
#112840
oklch(27.1% 0.054 251.3)
#104B82 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) | #304F84 | 0.031 |
| Deuteranopia (no green cones) | #1C4581 | 0.018 |
| Tritanopia (no blue cones) | #005860 | 0.079 |
| Achromatopsia (no color) | #494949 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104B82
#104B82
oklch(40.8% 0.109 251.5)
- #674000
#674000
oklch(40.8% 0.088 70.8)
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 #104B82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.016
- Cobalt #1E488F ΔE 0.026
- Twilight Blue #0A437A ΔE 0.027
- Deep Sea Blue #015482 ΔE 0.027
- Dusk Blue #26538D ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.066
- Marine Blue #01386A ΔE 0.069
Use #104B82 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.