#3F1023
Closest named color: Dark Plum (#3F012C). oklch(25.9% 0.076 358.9), rgb(63, 16, 35).
Aa
White text reads best on this color (16.03:1).
About this color
#3F1023 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.076 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.037 away. White text reads best on it, at 16.03:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.30:1 |
| White text | 16.03:1 |
Values
| HEX | #3F1023 |
| RGB | rgb(63, 16, 35) |
| HSL | hsl(336, 59%, 15%) |
| OKLCH | oklch(25.9% 0.076 358.9) |
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 #3F1023 | 16.03:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #3F1023 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #3F1023 text on white | 16.03:1 | AAA | Lc 102.5 | Preferred for body text |
| #3F1023 text on black | 1.30:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F6CCD8
oklch(88.5% 0.05 359.1)
-
Step 300
300
#F1A8BF
oklch(80.8% 0.09 358.8)
-
Step 400
400
#E7779F
oklch(70.8% 0.144 358.8)
-
Step 500
500
#DC4E87
oklch(63.1% 0.184 359)
-
Step 600
600
#C72871
oklch(55.6% 0.2 358.8)
-
Step 700
700
#AB175E
oklch(49% 0.186 359)
-
Step 800
800
#8B194D
oklch(42.7% 0.153 359)
-
Step 900
900
#701D40
oklch(37.6% 0.12 359)
-
Step 950
950 (this color)
#3F1023
oklch(25.9% 0.076 358.9)
#3F1023 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) | #191C24 | 0.084 |
| Deuteranopia (no green cones) | #252522 | 0.078 |
| Tritanopia (no blue cones) | #450B18 | 0.023 |
| Achromatopsia (no color) | #212121 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1023
#3F1023
oklch(25.9% 0.076 358.9)
- #002B24
#002B24
oklch(25.9% 0.047 178.8)
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 #3F1023, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.037
- Aubergine #3D0734 ΔE 0.042
- Eggplant #380835 ΔE 0.047
- Dark Maroon #3C0008 ΔE 0.048
- Deep Brown #410200 ΔE 0.054
- Mahogany #4A0100 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.064
Use #3F1023 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.