#365683
Closest named color: Light Navy Blue (#2E5A88). oklch(45% 0.083 257.1), rgb(54, 86, 131).
Aa
White text reads best on this color (7.45:1).
About this color
#365683 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.083 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #365683 |
| RGB | rgb(54, 86, 131) |
| HSL | hsl(215, 42%, 36%) |
| OKLCH | oklch(45% 0.083 257.1) |
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 #365683 | 7.45:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #365683 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #365683 text on white | 7.45:1 | AAA | Lc 85.8 | Fine for body text |
| #365683 text on black | 2.81:1 | Fails | Lc -16.3 | Dividers and decoration only |
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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ADC2E1
oklch(80.8% 0.05 258)
-
Step 400
400
#82A3D1
oklch(70.8% 0.077 256.8)
-
Step 500
500
#628BC5
oklch(63.1% 0.099 257.1)
-
Step 600
600
#4874B2
oklch(55.6% 0.109 257.1)
-
Step 700
700
#396199
oklch(49% 0.101 257.1)
-
Step 800
800 (this color)
#365683
oklch(45% 0.083 257.1)
-
Step 900
900
#2A4264
oklch(37.6% 0.066 257.2)
-
Step 950
950
#19273A
oklch(27% 0.041 256.3)
#365683 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) | #445985 | 0.021 |
| Deuteranopia (no green cones) | #3A5282 | 0.012 |
| Tritanopia (no blue cones) | #006066 | 0.074 |
| Achromatopsia (no color) | #555555 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #365683
#365683
oklch(45% 0.083 257.1)
- #6F4E15
#6F4E15
oklch(44.9% 0.083 76.6)
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 #365683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- Dusk Blue #26538D ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.028
- YInMn Blue #415A77 ΔE 0.029
- Dusk #4E5481 ΔE 0.031
- Light Navy #155084 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.037
- Twilight #4E518B ΔE 0.038
Use #365683 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.