#3F2828
Closest named color: Space Cadet (#2B2D42). oklch(30.5% 0.035 19.3), rgb(63, 40, 40).
Aa
White text reads best on this color (13.58:1).
About this color
#3F2828 is a dark, muted red. In OKLCH its lightness is 31%, its chroma 0.035 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.056 away. White text reads best on it, at 13.58:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.58:1 |
Values
| HEX | #3F2828 |
| RGB | rgb(63, 40, 40) |
| HSL | hsl(0, 22%, 20%) |
| OKLCH | oklch(30.5% 0.035 19.3) |
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 #3F2828 | 13.58:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #3F2828 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #3F2828 text on white | 13.58:1 | AAA | Lc 100.0 | Preferred for body text |
| #3F2828 text on black | 1.54:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D3
oklch(88.4% 0.023 17.6)
-
Step 300
300
#DAB7B6
oklch(81% 0.04 20)
-
Step 400
400
#C79090
oklch(70.7% 0.067 18.9)
-
Step 500
500
#B77475
oklch(63% 0.085 18.8)
-
Step 600
600
#A25C5E
oklch(55.6% 0.092 18.6)
-
Step 700
700
#8B4C4D
oklch(49.2% 0.085 19.6)
-
Step 800
800
#713E3F
oklch(42.7% 0.071 19.2)
-
Step 900
900
#5B3536
oklch(37.6% 0.055 18.3)
-
Step 950
950 (this color)
#3F2828
oklch(30.5% 0.035 19.3)
#3F2828 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) | #2C2B28 | 0.037 |
| Deuteranopia (no green cones) | #323028 | 0.034 |
| Tritanopia (no blue cones) | #442628 | 0.011 |
| Achromatopsia (no color) | #2E2E2E | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2828
#3F2828
oklch(30.5% 0.035 19.3)
- #183436
#183436
oklch(30.4% 0.034 201.6)
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 #3F2828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.056
- Gunmetal #293241 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.058
- Jet #212529 ΔE 0.060
- Onyx #343A40 ΔE 0.060
- Dark Brown #341C02 ΔE 0.064
- Dark #1B2431 ΔE 0.072
- Pakistan Green #283618 ΔE 0.073
Use #3F2828 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.