#3F222D
Closest named color: Space Cadet (#2B2D42). oklch(29.4% 0.047 356.1), rgb(63, 34, 45).
Aa
White text reads best on this color (14.20:1).
About this color
#3F222D is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.054 away. White text reads best on it, at 14.20:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.20:1 |
Values
| HEX | #3F222D |
| RGB | rgb(63, 34, 45) |
| HSL | hsl(337, 30%, 19%) |
| OKLCH | oklch(29.4% 0.047 356.1) |
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 #3F222D | 14.20:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #3F222D | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #3F222D text on white | 14.20:1 | AAA | Lc 100.8 | Preferred for body text |
| #3F222D text on black | 1.47:1 | 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
#F4E6EA
oklch(93.7% 0.016 358.1)
-
Step 200
200
#EBD1DA
oklch(88.5% 0.031 354.8)
-
Step 300
300
#DFB2C2
oklch(80.8% 0.056 355.2)
-
Step 400
400
#CE89A2
oklch(70.7% 0.09 356.3)
-
Step 500
500
#BF6A8B
oklch(63% 0.114 356.2)
-
Step 600
600
#AA5175
oklch(55.6% 0.123 356.4)
-
Step 700
700
#924163
oklch(49.1% 0.116 355.9)
-
Step 800
800
#773650
oklch(42.7% 0.096 356.7)
-
Step 900
900
#602F43
oklch(37.6% 0.075 355.5)
-
Step 950
950 (this color)
#3F222D
oklch(29.4% 0.047 356.1)
#3F222D 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) | #26282D | 0.051 |
| Deuteranopia (no green cones) | #2D2D2C | 0.048 |
| Tritanopia (no blue cones) | #432126 | 0.014 |
| Achromatopsia (no color) | #2B2B2B | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F222D
#3F222D
oklch(29.4% 0.047 356.1)
- #0B342B
#0B342B
oklch(29.4% 0.048 175.2)
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 #3F222D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.054
- Jet #212529 ΔE 0.060
- Gunmetal #293241 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.063
- Dark #1B2431 ΔE 0.069
- Aubergine #3D0734 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.070
- Dark Brown #341C02 ΔE 0.070
Use #3F222D 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.