#3F2F40
Closest named color: Space Cadet (#2B2D42). oklch(33% 0.037 324.4), rgb(63, 47, 64).
Aa
White text reads best on this color (12.41:1).
About this color
#3F2F40 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.037 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.038 away. White text reads best on it, at 12.41:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.69:1 |
| White text | 12.41:1 |
Values
| HEX | #3F2F40 |
| RGB | rgb(63, 47, 64) |
| HSL | hsl(296, 15%, 22%) |
| OKLCH | oklch(33% 0.037 324.4) |
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 #3F2F40 | 12.41:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #3F2F40 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #3F2F40 text on white | 12.41:1 | AAA | Lc 98.2 | Preferred for body text |
| #3F2F40 text on black | 1.69:1 | 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 900.
-
Step 50
50
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DED6DF
oklch(88.5% 0.015 322.3)
-
Step 300
300
#CABBCB
oklch(80.9% 0.028 323.9)
-
Step 400
400
#AF98B0
oklch(70.8% 0.043 324.7)
-
Step 500
500
#9B7E9D
oklch(63.1% 0.057 324.2)
-
Step 600
600
#866787
oklch(55.6% 0.061 325.4)
-
Step 700
700
#715673
oklch(49.1% 0.056 324.1)
-
Step 800
800
#5C465E
oklch(42.7% 0.048 323.6)
-
Step 900
900 (this color)
#3F2F40
oklch(33% 0.037 324.4)
-
Step 950
950
#2C232D
oklch(27.1% 0.022 322.9)
#3F2F40 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) | #2E3341 | 0.031 |
| Deuteranopia (no green cones) | #31353F | 0.030 |
| Tritanopia (no blue cones) | #403035 | 0.021 |
| Achromatopsia (no color) | #343434 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2F40
#3F2F40
oklch(33% 0.037 324.4)
- #2A3A2A
#2A3A2A
oklch(32.9% 0.035 144.7)
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 #3F2F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.038
- Gunmetal #293241 ΔE 0.038
- Onyx #343A40 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.073
- Midnight Green #073B4C ΔE 0.074
Use #3F2F40 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.