#39001F
Closest named color: Dark Plum (#3F012C). oklch(22.6% 0.093 353.7), rgb(57, 0, 31).
Aa
White text reads best on this color (17.59:1).
About this color
#39001F is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.093 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.028 away. White text reads best on it, at 17.59:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.19:1 |
| White text | 17.59:1 |
Values
| HEX | #39001F |
| RGB | rgb(57, 0, 31) |
| HSL | hsl(327, 100%, 11%) |
| OKLCH | oklch(22.6% 0.093 353.7) |
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 #39001F | 17.59:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #39001F | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #39001F text on white | 17.59:1 | AAA | Lc 103.5 | Preferred for body text |
| #39001F text on black | 1.19:1 | 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FCE2EB
oklch(93.6% 0.031 354.7)
-
Step 200
200
#FBC9DC
oklch(88.5% 0.061 353.7)
-
Step 300
300
#F9A3C6
oklch(81% 0.11 353.8)
-
Step 400
400
#F16BA9
oklch(70.8% 0.177 353.6)
-
Step 500
500
#E73693
oklch(63.1% 0.224 353.8)
-
Step 600
600
#CD007D
oklch(55.5% 0.229 353.6)
-
Step 700
700
#AE0069
oklch(49.1% 0.203 353.8)
-
Step 800
800
#900056
oklch(42.8% 0.176 353.8)
-
Step 900
900
#760B47
oklch(37.6% 0.146 353.7)
-
Step 950
950 (this color)
#39001F
oklch(22.6% 0.093 353.7)
#39001F 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) | #0B1220 | 0.107 |
| Deuteranopia (no green cones) | #1C1D1E | 0.094 |
| Tritanopia (no blue cones) | #3E000E | 0.035 |
| Achromatopsia (no color) | #191919 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39001F
#39001F
oklch(22.6% 0.093 353.7)
- #00221A
#00221A
oklch(22.5% 0.043 173.7)
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 #39001F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.028
- Aubergine #3D0734 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.043
- Eggplant #380835 ΔE 0.043
- Very Dark Purple #2A0134 ΔE 0.060
- Deep Brown #410200 ΔE 0.060
- Dark Purple #35063E ΔE 0.061
- Deep Purple #36013F ΔE 0.063
Use #39001F 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.