#3F2947
Closest named color: Space Cadet (#2B2D42). oklch(32.1% 0.059 316.7), rgb(63, 41, 71).
Aa
White text reads best on this color (12.96:1).
About this color
#3F2947 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.059 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.040 away. White text reads best on it, at 12.96:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 12.96:1 |
Values
| HEX | #3F2947 |
| RGB | rgb(63, 41, 71) |
| HSL | hsl(284, 27%, 22%) |
| OKLCH | oklch(32.1% 0.059 316.7) |
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 #3F2947 | 12.96:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #3F2947 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #3F2947 text on white | 12.96:1 | AAA | Lc 99.1 | Preferred for body text |
| #3F2947 text on black | 1.61:1 | 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 950.
-
Step 50
50
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E4D2EB
oklch(88.6% 0.039 316.6)
-
Step 300
300
#D3B3DF
oklch(80.9% 0.07 316.8)
-
Step 400
400
#BD8ACF
oklch(70.7% 0.113 317)
-
Step 500
500
#AB6BC2
oklch(63% 0.143 316.7)
-
Step 600
600
#9751AF
oklch(55.7% 0.156 316.8)
-
Step 700
700
#804196
oklch(49% 0.145 316.6)
-
Step 800
800
#68367A
oklch(42.6% 0.12 316.4)
-
Step 900
900
#553062
oklch(37.7% 0.093 316.8)
-
Step 950
950 (this color)
#3F2947
oklch(32.1% 0.059 316.7)
#3F2947 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) | #243048 | 0.050 |
| Deuteranopia (no green cones) | #2A3246 | 0.045 |
| Tritanopia (no blue cones) | #3F2D34 | 0.040 |
| Achromatopsia (no color) | #313131 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2947
#3F2947
oklch(32.1% 0.059 316.7)
- #243A1B
#243A1B
oklch(32.1% 0.059 137.2)
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 #3F2947, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.040
- Gunmetal #293241 ΔE 0.049
- Onyx #343A40 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.070
- Oxford Blue #1B263B ΔE 0.071
- Deep Violet #490648 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.076
Use #3F2947 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.