#3B367D
Closest named color: Dark Slate Blue (#483D8B). oklch(37.9% 0.116 282.5), rgb(59, 54, 125).
Aa
White text reads best on this color (10.44:1).
About this color
#3B367D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.116 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 10.44:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.44:1 |
Values
| HEX | #3B367D |
| RGB | rgb(59, 54, 125) |
| HSL | hsl(244, 40%, 35%) |
| OKLCH | oklch(37.9% 0.116 282.5) |
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 #3B367D | 10.44:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #3B367D | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #3B367D text on white | 10.44:1 | AAA | Lc 94.0 | Preferred for body text |
| #3B367D text on black | 2.00:1 | Fails | Lc -8.6 | 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
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D6F9
oklch(88.6% 0.048 282.8)
-
Step 300
300
#B8BAF8
oklch(80.9% 0.087 282.8)
-
Step 400
400
#9494F5
oklch(70.7% 0.14 282.2)
-
Step 500
500
#7C76F0
oklch(63.1% 0.178 282.2)
-
Step 600
600
#685BDF
oklch(55.7% 0.194 282.6)
-
Step 700
700
#5749C2
oklch(49.1% 0.181 282.7)
-
Step 800
800
#473D9D
oklch(42.7% 0.15 282.7)
-
Step 900
900 (this color)
#3B367D
oklch(37.9% 0.116 282.5)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#3B367D 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) | #0B427F | 0.055 |
| Deuteranopia (no green cones) | #033D7B | 0.057 |
| Tritanopia (no blue cones) | #214654 | 0.099 |
| Achromatopsia (no color) | #404040 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B367D
#3B367D
oklch(37.9% 0.116 282.5)
- #4A4300
#4A4300
oklch(37.8% 0.079 102.7)
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 #3B367D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.058
- Cobalt #1E488F ΔE 0.059
- Marine Blue #01386A ΔE 0.071
- Light Navy #155084 ΔE 0.077
- Prussian Blue #1D3557 ΔE 0.081
- Dusk Blue #26538D ΔE 0.081
Use #3B367D 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.