#364C7F
Closest named color: Dusk Blue (#26538D). oklch(42.4% 0.089 265.2), rgb(54, 76, 127).
Aa
White text reads best on this color (8.40:1).
About this color
#364C7F is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.089 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.030 away. White text reads best on it, at 8.40:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #364C7F |
| RGB | rgb(54, 76, 127) |
| HSL | hsl(222, 40%, 35%) |
| OKLCH | oklch(42.4% 0.089 265.2) |
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 #364C7F | 8.40:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #364C7F | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #364C7F text on white | 8.40:1 | AAA | Lc 88.8 | Fine for body text |
| #364C7F text on black | 2.49:1 | Fails | Lc -13.4 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B0C1E3
oklch(80.9% 0.052 264.2)
-
Step 400
400
#87A0D6
oklch(70.7% 0.084 265.1)
-
Step 500
500
#6A88CA
oklch(63.2% 0.106 264.9)
-
Step 600
600
#5270B7
oklch(55.5% 0.116 265.5)
-
Step 700
700
#425E9E
oklch(49.1% 0.108 264.9)
-
Step 800
800 (this color)
#364C7F
oklch(42.4% 0.089 265.2)
-
Step 900
900
#2F4067
oklch(37.6% 0.071 265.3)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#364C7F 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) | #375181 | 0.015 |
| Deuteranopia (no green cones) | #2E4A7E | 0.012 |
| Tritanopia (no blue cones) | #09575F | 0.080 |
| Achromatopsia (no color) | #4D4D4D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364C7F
#364C7F
oklch(42.4% 0.089 265.2)
- #644A00
#644A00
oklch(42.5% 0.087 85.4)
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 #364C7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.030
- Light Navy #155084 ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.040
- Cobalt #1E488F ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.041
- Twilight #4E518B ΔE 0.043
- Dusk #4E5481 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.050
Use #364C7F 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.