#365679
Closest named color: YInMn Blue (#415A77). oklch(44.4% 0.069 251.7), rgb(54, 86, 121).
Aa
White text reads best on this color (7.59:1).
About this color
#365679 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.069 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.020 away. White text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #365679 |
| RGB | rgb(54, 86, 121) |
| HSL | hsl(211, 38%, 34%) |
| OKLCH | oklch(44.4% 0.069 251.7) |
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 #365679 | 7.59:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #365679 | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #365679 text on white | 7.59:1 | AAA | Lc 86.3 | Fine for body text |
| #365679 text on black | 2.76:1 | Fails | Lc -15.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AEC3DB
oklch(80.9% 0.041 251.8)
-
Step 400
400
#83A4C8
oklch(70.7% 0.064 250.9)
-
Step 500
500
#648DBA
oklch(63.1% 0.082 251.4)
-
Step 600
600
#4A76A6
oklch(55.5% 0.09 251.7)
-
Step 700
700
#3B638F
oklch(49% 0.084 252)
-
Step 800
800 (this color)
#365679
oklch(44.4% 0.069 251.7)
-
Step 900
900
#2C435D
oklch(37.6% 0.053 252.2)
-
Step 950
950
#1A2837
oklch(27.1% 0.034 250.8)
#365679 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) | #48577B | 0.024 |
| Deuteranopia (no green cones) | #3F5178 | 0.017 |
| Tritanopia (no blue cones) | #105E62 | 0.060 |
| Achromatopsia (no color) | #545454 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #365679
#365679
oklch(44.4% 0.069 251.7)
- #6C4D25
#6C4D25
oklch(44.5% 0.07 71.3)
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 #365679, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.025
- Dusk #4E5481 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.039
- Dusk Blue #26538D ΔE 0.039
- Dusty Grape #545775 ΔE 0.041
- Light Navy #155084 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.042
Use #365679 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.