#3F2833
Closest named color: Space Cadet (#2B2D42). oklch(30.9% 0.039 349.4), rgb(63, 40, 51).
Aa
White text reads best on this color (13.43:1).
About this color
#3F2833 is a dark, muted red. In OKLCH its lightness is 31%, its chroma 0.039 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 13.43:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.56:1 |
| White text | 13.43:1 |
Values
| HEX | #3F2833 |
| RGB | rgb(63, 40, 51) |
| HSL | hsl(331, 22%, 20%) |
| OKLCH | oklch(30.9% 0.039 349.4) |
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 #3F2833 | 13.43:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #3F2833 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #3F2833 text on white | 13.43:1 | AAA | Lc 99.8 | Preferred for body text |
| #3F2833 text on black | 1.56:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EB
oklch(93.5% 0.014 348)
-
Step 200
200
#E7D3DC
oklch(88.6% 0.025 348.6)
-
Step 300
300
#D8B5C5
oklch(80.8% 0.045 348.9)
-
Step 400
400
#C48EA7
oklch(70.6% 0.073 349.7)
-
Step 500
500
#B47292
oklch(63.2% 0.093 349.6)
-
Step 600
600
#9F597C
oklch(55.6% 0.102 349.6)
-
Step 700
700
#884969
oklch(49.2% 0.094 349.4)
-
Step 800
800
#6E3C55
oklch(42.6% 0.078 349.6)
-
Step 900
900
#5A3446
oklch(37.8% 0.06 350.5)
-
Step 950
950 (this color)
#3F2833
oklch(30.9% 0.039 349.4)
#3F2833 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) | #2A2C33 | 0.041 |
| Deuteranopia (no green cones) | #2F3032 | 0.038 |
| Tritanopia (no blue cones) | #42272C | 0.013 |
| Achromatopsia (no color) | #2F2F2F | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2833
#3F2833
oklch(30.9% 0.039 349.4)
- #1B362D
#1B362D
oklch(30.8% 0.037 170.3)
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 #3F2833, 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 0.049
- Onyx #343A40 ΔE 0.056
- Jet #212529 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.068
- Dark #1B2431 ΔE 0.070
- Chocolate Brown #411900 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.076
Use #3F2833 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.