#3F2D37
Closest named color: Space Cadet (#2B2D42). oklch(32.2% 0.031 344.6), rgb(63, 45, 55).
Aa
White text reads best on this color (12.79:1).
About this color
#3F2D37 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.031 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 12.79:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.64:1 |
| White text | 12.79:1 |
Values
| HEX | #3F2D37 |
| RGB | rgb(63, 45, 55) |
| HSL | hsl(327, 17%, 21%) |
| OKLCH | oklch(32.2% 0.031 344.6) |
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 #3F2D37 | 12.79:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3F2D37 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #3F2D37 text on white | 12.79:1 | AAA | Lc 98.9 | Preferred for body text |
| #3F2D37 text on black | 1.64:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E4D4DC
oklch(88.5% 0.021 345.7)
-
Step 300
300
#D3B8C6
oklch(81% 0.036 345.3)
-
Step 400
400
#BC92A9
oklch(70.6% 0.059 344.7)
-
Step 500
500
#AB7794
oklch(63.1% 0.076 345)
-
Step 600
600
#95607F
oklch(55.6% 0.081 344.1)
-
Step 700
700
#7F4F6B
oklch(49.1% 0.075 344.3)
-
Step 800
800
#684157
oklch(42.8% 0.063 345.2)
-
Step 900
900
#543748
oklch(37.7% 0.049 343.7)
-
Step 950
950 (this color)
#3F2D37
oklch(32.2% 0.031 344.6)
#3F2D37 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) | #2E3037 | 0.032 |
| Deuteranopia (no green cones) | #323337 | 0.029 |
| Tritanopia (no blue cones) | #412D30 | 0.013 |
| Achromatopsia (no color) | #323232 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2D37
#3F2D37
oklch(32.2% 0.031 344.6)
- #24382F
#24382F
oklch(32% 0.03 164.8)
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 #3F2D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Gunmetal #293241 ΔE 0.041
- Onyx #343A40 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.065
- Jet #212529 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.073
Use #3F2D37 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.