#3F2838
Closest named color: Space Cadet (#2B2D42). oklch(31.1% 0.043 338.5), rgb(63, 40, 56).
Aa
White text reads best on this color (13.35:1).
About this color
#3F2838 is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.043 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.040 away. White text reads best on it, at 13.35:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.35:1 |
Values
| HEX | #3F2838 |
| RGB | rgb(63, 40, 56) |
| HSL | hsl(318, 22%, 20%) |
| OKLCH | oklch(31.1% 0.043 338.5) |
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 #3F2838 | 13.35:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #3F2838 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #3F2838 text on white | 13.35:1 | AAA | Lc 99.7 | Preferred for body text |
| #3F2838 text on black | 1.57:1 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6ED
oklch(93.6% 0.015 338.9)
-
Step 200
200
#E6D2DF
oklch(88.4% 0.028 338.6)
-
Step 300
300
#D8B4CC
oklch(80.9% 0.052 338.5)
-
Step 400
400
#C38DB2
oklch(70.7% 0.082 338.6)
-
Step 500
500
#B2709F
oklch(63.1% 0.104 338.2)
-
Step 600
600
#9D578A
oklch(55.5% 0.113 338.1)
-
Step 700
700
#864775
oklch(49.1% 0.105 338.1)
-
Step 800
800
#6D3B5F
oklch(42.7% 0.086 338.4)
-
Step 900
900
#59334E
oklch(37.8% 0.068 338.5)
-
Step 950
950 (this color)
#3F2838
oklch(31.1% 0.043 338.5)
#3F2838 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) | #292D39 | 0.042 |
| Deuteranopia (no green cones) | #2E3037 | 0.039 |
| Tritanopia (no blue cones) | #42282E | 0.019 |
| Achromatopsia (no color) | #2F2F2F | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2838
#3F2838
oklch(31.1% 0.043 338.5)
- #1C3728
#1C3728
oklch(31% 0.043 158.2)
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 #3F2838, 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 0.047
- Onyx #343A40 ΔE 0.056
- Jet #212529 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.067
- Dark #1B2431 ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.076
Use #3F2838 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.