#364687
Closest named color: Cobalt (#1E488F). oklch(41.6% 0.11 270.6), rgb(54, 70, 135).
Aa
White text reads best on this color (8.81:1).
About this color
#364687 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.110 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.027 away. White text reads best on it, at 8.81:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #364687 |
| RGB | rgb(54, 70, 135) |
| HSL | hsl(228, 43%, 37%) |
| OKLCH | oklch(41.6% 0.11 270.6) |
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 #364687 | 8.81:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #364687 | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #364687 text on white | 8.81:1 | AAA | Lc 89.9 | Fine for body text |
| #364687 text on black | 2.38:1 | Fails | Lc -12.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B1BFEB
oklch(80.9% 0.064 271.1)
-
Step 400
400
#889DE1
oklch(70.7% 0.103 270.5)
-
Step 500
500
#6C83D8
oklch(63% 0.131 270.8)
-
Step 600
600
#556BC6
oklch(55.6% 0.143 270.9)
-
Step 700
700
#4559AB
oklch(49.1% 0.133 270.6)
-
Step 800
800 (this color)
#364687
oklch(41.6% 0.11 270.6)
-
Step 900
900
#313E6F
oklch(37.8% 0.085 270.7)
-
Step 950
950
#1C2441
oklch(26.9% 0.055 270.7)
#364687 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) | #274E89 | 0.026 |
| Deuteranopia (no green cones) | #1B4786 | 0.028 |
| Tritanopia (no blue cones) | #005560 | 0.097 |
| Achromatopsia (no color) | #4A4A4A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364687
#364687
oklch(41.6% 0.11 270.6)
- #5D4900
#5D4900
oklch(41.5% 0.085 90.7)
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 #364687, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.037
- Dusk Blue #26538D ΔE 0.038
- Light Navy #155084 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.049
- Twilight #4E518B ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.053
Use #364687 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.