#3F2B2F
Closest named color: Gunmetal (#293241). oklch(31.4% 0.03 5.7), rgb(63, 43, 47).
Aa
White text reads best on this color (13.14:1).
About this color
#3F2B2F is a dark, muted red. In OKLCH its lightness is 31%, its chroma 0.030 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.048 away. White text reads best on it, at 13.14:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #3F2B2F |
| RGB | rgb(63, 43, 47) |
| HSL | hsl(348, 19%, 21%) |
| OKLCH | oklch(31.4% 0.03 5.7) |
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 #3F2B2F | 13.14:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #3F2B2F | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #3F2B2F text on white | 13.14:1 | AAA | Lc 99.4 | Preferred for body text |
| #3F2B2F text on black | 1.59:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E9
oklch(93.6% 0.01 2)
-
Step 200
200
#E6D4D7
oklch(88.5% 0.02 6)
-
Step 300
300
#D6B7BD
oklch(80.8% 0.036 4.8)
-
Step 400
400
#C1929B
oklch(70.7% 0.058 5.9)
-
Step 500
500
#B07783
oklch(63.1% 0.073 5.6)
-
Step 600
600
#9B5F6C
oklch(55.6% 0.08 5.9)
-
Step 700
700
#844E5A
oklch(49% 0.074 5.8)
-
Step 800
800
#6C404A
oklch(42.7% 0.063 5.3)
-
Step 900
900
#58373E
oklch(37.8% 0.048 5.8)
-
Step 950
950 (this color)
#3F2B2F
oklch(31.4% 0.03 5.7)
#3F2B2F 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) | #2E2E2F | 0.033 |
| Deuteranopia (no green cones) | #33322F | 0.031 |
| Tritanopia (no blue cones) | #432A2C | 0.009 |
| Achromatopsia (no color) | #303030 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2B2F
#3F2B2F
oklch(31.4% 0.03 5.7)
- #1F3634
#1F3634
oklch(31.3% 0.029 188.8)
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 #3F2B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.048
- Onyx #343A40 ΔE 0.049
- Jet #212529 ΔE 0.063
- Charcoal Grey #3C4142 ΔE 0.068
- Chocolate Brown #411900 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.073
- Dark #1B2431 ΔE 0.073
Use #3F2B2F 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.