#363171
Closest named color: Marine Blue (#01386A). oklch(35.5% 0.107 283), rgb(54, 49, 113).
Aa
White text reads best on this color (11.44:1).
About this color
#363171 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.107 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.058 away. White text reads best on it, at 11.44:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.83:1 |
| White text | 11.44:1 |
Values
| HEX | #363171 |
| RGB | rgb(54, 49, 113) |
| HSL | hsl(245, 40%, 32%) |
| OKLCH | oklch(35.5% 0.107 283) |
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 #363171 | 11.44:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #363171 | 1.83:1 | Fails | Lc 7.7 | Not readable |
| #363171 text on white | 11.44:1 | AAA | Lc 96.1 | Preferred for body text |
| #363171 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F6
oklch(88.5% 0.044 282.6)
-
Step 300
300
#B9BBF3
oklch(81% 0.079 282.9)
-
Step 400
400
#9695EE
oklch(70.7% 0.129 283.1)
-
Step 500
500
#7E78E8
oklch(63.1% 0.164 283.1)
-
Step 600
600
#695ED6
oklch(55.6% 0.178 283.1)
-
Step 700
700
#584DBA
oklch(49.2% 0.166 283)
-
Step 800
800
#474096
oklch(42.7% 0.136 282.6)
-
Step 900
900 (this color)
#363171
oklch(35.5% 0.107 283)
-
Step 950
950
#222146
oklch(27% 0.067 282.1)
#363171 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) | #0D3C73 | 0.051 |
| Deuteranopia (no green cones) | #083770 | 0.051 |
| Tritanopia (no blue cones) | #203F4C | 0.090 |
| Achromatopsia (no color) | #3A3A3A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363171
#363171
oklch(35.5% 0.107 283)
- #433D00
#433D00
oklch(35.5% 0.075 103.3)
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 #363171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.062
- Marine #042E60 ΔE 0.069
- Cobalt #1E488F ΔE 0.077
- Blueberry #464196 ΔE 0.078
- Midnight Blue #191970 ΔE 0.080
Use #363171 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.