#363675
Closest named color: Dark Slate Blue (#483D8B). oklch(36.9% 0.105 279.9), rgb(54, 54, 117).
Aa
White text reads best on this color (10.81:1).
About this color
#363675 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.105 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.81:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.81:1 |
Values
| HEX | #363675 |
| RGB | rgb(54, 54, 117) |
| HSL | hsl(240, 37%, 34%) |
| OKLCH | oklch(36.9% 0.105 279.9) |
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 #363675 | 10.81:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #363675 | 1.94:1 | Fails | Lc 9.1 | Not readable |
| #363675 text on white | 10.81:1 | AAA | Lc 94.9 | Preferred for body text |
| #363675 text on black | 1.94:1 | Fails | Lc -7.8 | 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 900.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B6BCF3
oklch(81% 0.078 279.7)
-
Step 400
400
#9197EE
oklch(70.7% 0.127 279.6)
-
Step 500
500
#787AE8
oklch(63% 0.162 279.9)
-
Step 600
600
#6361D6
oklch(55.7% 0.175 279.9)
-
Step 700
700
#524FBA
oklch(49.1% 0.164 279.7)
-
Step 800
800
#434196
oklch(42.6% 0.136 280)
-
Step 900
900 (this color)
#363675
oklch(36.9% 0.105 279.9)
-
Step 950
950
#212146
oklch(26.9% 0.067 280.9)
#363675 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) | #164077 | 0.043 |
| Deuteranopia (no green cones) | #0F3B74 | 0.044 |
| Tritanopia (no blue cones) | #1C4450 | 0.091 |
| Achromatopsia (no color) | #3D3D3D | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363675
#363675
oklch(36.9% 0.105 279.9)
- #494000
#494000
oklch(36.9% 0.077 100.3)
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 #363675, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
- Marine Blue #01386A ΔE 0.057
- Cobalt #1E488F ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.065
- Blueberry #464196 ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.074
- Marine #042E60 ΔE 0.075
Use #363675 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.