#3F292E
Closest named color: Space Cadet (#2B2D42). oklch(30.9% 0.034 4.3), rgb(63, 41, 46).
Aa
White text reads best on this color (13.39:1).
About this color
#3F292E is a dark, muted red. In OKLCH its lightness is 31%, its chroma 0.034 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.049 away. White text reads best on it, at 13.39:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.56:1 |
| White text | 13.39:1 |
Values
| HEX | #3F292E |
| RGB | rgb(63, 41, 46) |
| HSL | hsl(346, 21%, 20%) |
| OKLCH | oklch(30.9% 0.034 4.3) |
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 #3F292E | 13.39:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #3F292E | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #3F292E text on white | 13.39:1 | AAA | Lc 99.8 | Preferred for body text |
| #3F292E 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7E9
oklch(93.6% 0.011 3.5)
-
Step 200
200
#E7D3D7
oklch(88.4% 0.023 3.9)
-
Step 300
300
#D8B6BD
oklch(80.8% 0.04 4.1)
-
Step 400
400
#C4909C
oklch(70.7% 0.065 3.6)
-
Step 500
500
#B47483
oklch(63.1% 0.083 4.4)
-
Step 600
600
#9F5C6D
oklch(55.6% 0.09 4.1)
-
Step 700
700
#884C5B
oklch(49.2% 0.083 4.5)
-
Step 800
800
#6E3E4A
oklch(42.6% 0.069 4.3)
-
Step 900
900
#5A353E
oklch(37.7% 0.054 4.3)
-
Step 950
950 (this color)
#3F292E
oklch(30.9% 0.034 4.3)
#3F292E 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) | #2C2D2E | 0.037 |
| Deuteranopia (no green cones) | #31302E | 0.033 |
| Tritanopia (no blue cones) | #43282B | 0.009 |
| Achromatopsia (no color) | #2F2F2F | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F292E
#3F292E
oklch(30.9% 0.034 4.3)
- #1B3632
#1B3632
oklch(31% 0.034 183.5)
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 #3F292E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.050
- Onyx #343A40 ΔE 0.055
- Jet #212529 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.067
- Dark #1B2431 ΔE 0.071
- Oxford Blue #1B263B ΔE 0.072
- Dark Brown #341C02 ΔE 0.073
Use #3F292E 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.