#363570
Closest named color: Twilight Blue (#0A437A). oklch(36.3% 0.099 281), rgb(54, 53, 112).
Aa
White text reads best on this color (11.05:1).
About this color
#363570 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.099 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.055 away. White text reads best on it, at 11.05:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.90:1 |
| White text | 11.05:1 |
Values
| HEX | #363570 |
| RGB | rgb(54, 53, 112) |
| HSL | hsl(241, 36%, 32%) |
| OKLCH | oklch(36.3% 0.099 281) |
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 #363570 | 11.05:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #363570 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #363570 text on white | 11.05:1 | AAA | Lc 95.4 | Preferred for body text |
| #363570 text on black | 1.90:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D4D7F5
oklch(88.6% 0.041 281)
-
Step 300
300
#B7BCF0
oklch(80.9% 0.073 280.3)
-
Step 400
400
#9497E9
oklch(70.7% 0.119 281.3)
-
Step 500
500
#7B7BE2
oklch(63.1% 0.152 281.1)
-
Step 600
600
#6562D0
oklch(55.6% 0.165 280.8)
-
Step 700
700
#5550B4
oklch(49.1% 0.154 281.4)
-
Step 800
800
#454292
oklch(42.7% 0.128 281.2)
-
Step 900
900 (this color)
#363570
oklch(36.3% 0.099 281)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#363570 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) | #193E72 | 0.041 |
| Deuteranopia (no green cones) | #153A6F | 0.041 |
| Tritanopia (no blue cones) | #20424D | 0.086 |
| Achromatopsia (no color) | #3C3C3C | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363570
#363570
oklch(36.3% 0.099 281)
- #473E00
#473E00
oklch(36.2% 0.075 100.1)
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 #363570, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.055
- Marine Blue #01386A ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.058
- Marine #042E60 ΔE 0.070
- Cobalt #1E488F ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.071
- Blueberry #464196 ΔE 0.075
Use #363570 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.