#3F243A
Closest named color: Space Cadet (#2B2D42). oklch(30.4% 0.054 333.8), rgb(63, 36, 58).
Aa
White text reads best on this color (13.77:1).
About this color
#3F243A is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.054 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 13.77:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.52:1 |
| White text | 13.77:1 |
Values
| HEX | #3F243A |
| RGB | rgb(63, 36, 58) |
| HSL | hsl(311, 27%, 19%) |
| OKLCH | oklch(30.4% 0.054 333.8) |
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 #3F243A | 13.77:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #3F243A | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #3F243A text on white | 13.77:1 | AAA | Lc 100.2 | Preferred for body text |
| #3F243A text on black | 1.52:1 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F2E6EF
oklch(93.7% 0.018 334.2)
-
Step 200
200
#E8D1E3
oklch(88.5% 0.035 333.2)
-
Step 300
300
#DBB2D2
oklch(81% 0.064 333.9)
-
Step 400
400
#C788BB
oklch(70.6% 0.102 333.6)
-
Step 500
500
#B869AA
oklch(63.1% 0.131 333.9)
-
Step 600
600
#A34F95
oklch(55.6% 0.142 334)
-
Step 700
700
#8B3F7F
oklch(49% 0.132 333.8)
-
Step 800
800
#713567
oklch(42.7% 0.108 334)
-
Step 900
900
#5C2F54
oklch(37.8% 0.084 334.1)
-
Step 950
950 (this color)
#3F243A
oklch(30.4% 0.054 333.8)
#3F243A 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) | #242B3B | 0.053 |
| Deuteranopia (no green cones) | #2B2E39 | 0.047 |
| Tritanopia (no blue cones) | #41252C | 0.027 |
| Achromatopsia (no color) | #2D2D2D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F243A
#3F243A
oklch(30.4% 0.054 333.8)
- #163722
#163722
oklch(30.5% 0.055 153.7)
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 #3F243A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.066
- Aubergine #3D0734 ΔE 0.067
- Jet #212529 ΔE 0.068
- Onyx #343A40 ΔE 0.068
- Eggplant Purple #430541 ΔE 0.070
- Dark #1B2431 ΔE 0.071
Use #3F243A 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.