#3F2129
Closest named color: Chocolate Brown (#411900). oklch(29.1% 0.047 3.3), rgb(63, 33, 41).
Aa
White text reads best on this color (14.37:1).
About this color
#3F2129 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.056 away. White text reads best on it, at 14.37:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.46:1 |
| White text | 14.37:1 |
Values
| HEX | #3F2129 |
| RGB | rgb(63, 33, 41) |
| HSL | hsl(344, 31%, 19%) |
| OKLCH | oklch(29.1% 0.047 3.3) |
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 #3F2129 | 14.37:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #3F2129 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #3F2129 text on white | 14.37:1 | AAA | Lc 101.0 | Preferred for body text |
| #3F2129 text on black | 1.46:1 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E6E9
oklch(93.7% 0.016 2.7)
-
Step 200
200
#ECD1D7
oklch(88.5% 0.031 2.7)
-
Step 300
300
#E1B2BD
oklch(80.9% 0.056 2.8)
-
Step 400
400
#D0899B
oklch(70.7% 0.089 3.1)
-
Step 500
500
#C26A82
oklch(63.1% 0.115 3.5)
-
Step 600
600
#AD506C
oklch(55.6% 0.125 3)
-
Step 700
700
#94405A
oklch(49% 0.116 2.9)
-
Step 800
800
#79364A
oklch(42.8% 0.096 3.2)
-
Step 900
900
#622F3D
oklch(37.7% 0.075 3.9)
-
Step 950
950 (this color)
#3F2129
oklch(29.1% 0.047 3.3)
#3F2129 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) | #262729 | 0.051 |
| Deuteranopia (no green cones) | #2D2C28 | 0.048 |
| Tritanopia (no blue cones) | #441F24 | 0.013 |
| Achromatopsia (no color) | #2A2A2A | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2129
#3F2129
oklch(29.1% 0.047 3.3)
- #06332E
#06332E
oklch(29% 0.047 183.9)
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 #3F2129, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.059
- Jet #212529 ΔE 0.059
- Dark Brown #341C02 ΔE 0.064
- Gunmetal #293241 ΔE 0.066
- Dark #1B2431 ΔE 0.069
- Aubergine #3D0734 ΔE 0.071
- Oxford Blue #1B263B ΔE 0.072
Use #3F2129 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.