#3F242D
Closest named color: Space Cadet (#2B2D42). oklch(29.8% 0.043 358.6), rgb(63, 36, 45).
Aa
White text reads best on this color (13.98:1).
About this color
#3F242D is a dark, muted red. In OKLCH its lightness is 30%, its chroma 0.043 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.052 away. White text reads best on it, at 13.98:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.98:1 |
Values
| HEX | #3F242D |
| RGB | rgb(63, 36, 45) |
| HSL | hsl(340, 27%, 19%) |
| OKLCH | oklch(29.8% 0.043 358.6) |
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 #3F242D | 13.98:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #3F242D | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #3F242D text on white | 13.98:1 | AAA | Lc 100.5 | Preferred for body text |
| #3F242D text on black | 1.50:1 | 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
#F3E6EA
oklch(93.6% 0.015 356.6)
-
Step 200
200
#EAD2D9
oklch(88.6% 0.028 358.1)
-
Step 300
300
#DDB3C0
oklch(80.8% 0.051 357.8)
-
Step 400
400
#CB8BA0
oklch(70.6% 0.082 358.1)
-
Step 500
500
#BC6D88
oklch(63% 0.105 358.6)
-
Step 600
600
#A75472
oklch(55.5% 0.114 358.5)
-
Step 700
700
#8F4460
oklch(49% 0.106 358.2)
-
Step 800
800
#74394E
oklch(42.7% 0.086 358.8)
-
Step 900
900
#5E3141
oklch(37.6% 0.068 358.2)
-
Step 950
950 (this color)
#3F242D
oklch(29.8% 0.043 358.6)
#3F242D 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) | #28292D | 0.046 |
| Deuteranopia (no green cones) | #2E2E2C | 0.044 |
| Tritanopia (no blue cones) | #432227 | 0.013 |
| Achromatopsia (no color) | #2C2C2C | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F242D
#3F242D
oklch(29.8% 0.043 358.6)
- #10342E
#10342E
oklch(29.7% 0.043 180.5)
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 #3F242D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.052
- Gunmetal #293241 ΔE 0.058
- Jet #212529 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.063
- Onyx #343A40 ΔE 0.068
- Dark #1B2431 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.070
- Dark Brown #341C02 ΔE 0.070
Use #3F242D 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.