#3F232B
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.044 1.7), rgb(63, 35, 43).
Aa
White text reads best on this color (14.12:1).
About this color
#3F232B is a dark, muted red. In OKLCH its lightness is 30%, its chroma 0.044 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.055 away. White text reads best on it, at 14.12:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.12:1 |
Values
| HEX | #3F232B |
| RGB | rgb(63, 35, 43) |
| HSL | hsl(343, 29%, 19%) |
| OKLCH | oklch(29.5% 0.044 1.7) |
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 #3F232B | 14.12:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #3F232B | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #3F232B text on white | 14.12:1 | AAA | Lc 100.7 | Preferred for body text |
| #3F232B text on black | 1.48:1 | 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
#FAF4F5
oklch(97.2% 0.007 5.6)
-
Step 100
100
#F3E6E9
oklch(93.6% 0.015 1.6)
-
Step 200
200
#EBD2D8
oklch(88.6% 0.029 1.4)
-
Step 300
300
#DFB3BE
oklch(80.9% 0.053 1.7)
-
Step 400
400
#CD8B9D
oklch(70.8% 0.083 1.6)
-
Step 500
500
#BE6D85
oklch(63.1% 0.106 1.5)
-
Step 600
600
#A9536E
oklch(55.5% 0.116 1.7)
-
Step 700
700
#91435C
oklch(49% 0.109 1.7)
-
Step 800
800
#76384B
oklch(42.7% 0.089 2.2)
-
Step 900
900
#60313F
oklch(37.8% 0.07 1.9)
-
Step 950
950 (this color)
#3F232B
oklch(29.5% 0.044 1.7)
#3F232B 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) | #27282B | 0.048 |
| Deuteranopia (no green cones) | #2E2D2A | 0.045 |
| Tritanopia (no blue cones) | #432126 | 0.012 |
| Achromatopsia (no color) | #2B2B2B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F232B
#3F232B
oklch(29.5% 0.044 1.7)
- #0D342E
#0D342E
oklch(29.6% 0.045 181.1)
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 #3F232B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.055
- Jet #212529 ΔE 0.059
- Chocolate Brown #411900 ΔE 0.059
- Gunmetal #293241 ΔE 0.061
- Dark Brown #341C02 ΔE 0.067
- Dark #1B2431 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.071
- Onyx #343A40 ΔE 0.071
Use #3F232B 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.