#363587
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.133 278.5), rgb(54, 53, 135).
Aa
White text reads best on this color (10.41:1).
About this color
#363587 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.133 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 10.41:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #363587 |
| RGB | rgb(54, 53, 135) |
| HSL | hsl(241, 44%, 37%) |
| OKLCH | oklch(38.1% 0.133 278.5) |
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 #363587 | 10.41:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #363587 | 2.01:1 | Fails | Lc 10.1 | Not readable |
| #363587 text on white | 10.41:1 | AAA | Lc 93.8 | Preferred for body text |
| #363587 text on black | 2.01:1 | Fails | Lc -8.7 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D0D6FE
oklch(88.4% 0.055 278.5)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7374FF
oklch(63.1% 0.202 278.6)
-
Step 600
600
#5E57F0
oklch(55.6% 0.222 278.4)
-
Step 700
700
#4E45D1
oklch(49% 0.207 278.4)
-
Step 800
800
#403AA9
oklch(42.7% 0.171 278.7)
-
Step 900
900 (this color)
#363587
oklch(38.1% 0.133 278.5)
-
Step 950
950
#1F1F4E
oklch(26.9% 0.084 279.1)
#363587 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) | #00438A | 0.054 |
| Deuteranopia (no green cones) | #003C85 | 0.050 |
| Tritanopia (no blue cones) | #014958 | 0.117 |
| Achromatopsia (no color) | #404040 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363587
#363587
oklch(38.1% 0.133 278.5)
- #4E4300
#4E4300
oklch(38.3% 0.079 98.6)
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 #363587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.048
- Cobalt #1E488F ΔE 0.053
- Twilight Blue #0A437A ΔE 0.059
- Sapphire #2138AB ΔE 0.064
- Marine Blue #01386A ΔE 0.074
- Light Navy #155084 ΔE 0.077
- Dusk Blue #26538D ΔE 0.081
Use #363587 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.