#3F385E
Closest named color: Dark Grey Blue (#29465B). oklch(36.6% 0.065 291.3), rgb(63, 56, 94).
Aa
White text reads best on this color (10.83:1).
About this color
#3F385E is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.065 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.053 away. White text reads best on it, at 10.83:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #3F385E |
| RGB | rgb(63, 56, 94) |
| HSL | hsl(251, 25%, 29%) |
| OKLCH | oklch(36.6% 0.065 291.3) |
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 #3F385E | 10.83:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #3F385E | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #3F385E text on white | 10.83:1 | AAA | Lc 95.0 | Preferred for body text |
| #3F385E text on black | 1.93:1 | Fails | Lc -7.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C0BCDE
oklch(80.9% 0.048 290.7)
-
Step 400
400
#A198CE
oklch(70.7% 0.078 291.9)
-
Step 500
500
#8A7EC1
oklch(63.1% 0.1 291.5)
-
Step 600
600
#7467AD
oklch(55.6% 0.107 291)
-
Step 700
700
#625595
oklch(49.1% 0.101 291.6)
-
Step 800
800
#504679
oklch(42.8% 0.083 291.5)
-
Step 900
900 (this color)
#3F385E
oklch(36.6% 0.065 291.3)
-
Step 950
950
#272339
oklch(27.1% 0.041 291.8)
#3F385E 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) | #2D3E5F | 0.031 |
| Deuteranopia (no green cones) | #2D3C5D | 0.030 |
| Tritanopia (no blue cones) | #383F46 | 0.055 |
| Achromatopsia (no color) | #3D3D3D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F385E
#3F385E
oklch(36.6% 0.065 291.3)
- #404215
#404215
oklch(36.7% 0.065 111.6)
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 #3F385E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.059
- Onyx #343A40 ΔE 0.059
- Charcoal #264653 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.064
- Gunmetal #293241 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.067
Use #3F385E 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.