#390917
Closest named color: Dark Maroon (#3C0008). oklch(23.4% 0.075 7.9), rgb(57, 9, 23).
Aa
White text reads best on this color (17.13:1).
About this color
#390917 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.075 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.025 away. White text reads best on it, at 17.13:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.22:1 |
| White text | 17.13:1 |
Values
| HEX | #390917 |
| RGB | rgb(57, 9, 23) |
| HSL | hsl(343, 73%, 13%) |
| OKLCH | oklch(23.4% 0.075 7.9) |
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 #390917 | 17.13:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #390917 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #390917 text on white | 17.13:1 | AAA | Lc 103.5 | Preferred for body text |
| #390917 text on black | 1.22:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E6
oklch(93.5% 0.026 8.6)
-
Step 200
200
#F8CCD3
oklch(88.5% 0.05 7.4)
-
Step 300
300
#F3A9B6
oklch(80.9% 0.088 7.7)
-
Step 400
400
#EA7790
oklch(70.7% 0.144 7.7)
-
Step 500
500
#DF4E74
oklch(63.1% 0.182 8.1)
-
Step 600
600
#CB275D
oklch(55.6% 0.199 7.9)
-
Step 700
700
#AF164D
oklch(49.2% 0.185 7.8)
-
Step 800
800
#8E183F
oklch(42.7% 0.153 7.9)
-
Step 900
900
#721D35
oklch(37.7% 0.119 8.2)
-
Step 950
950 (this color)
#390917
oklch(23.4% 0.075 7.9)
#390917 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) | #151517 | 0.084 |
| Deuteranopia (no green cones) | #211F16 | 0.077 |
| Tritanopia (no blue cones) | #3F020F | 0.019 |
| Achromatopsia (no color) | #1B1B1B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #390917
#390917
oklch(23.4% 0.075 7.9)
- #002421
#002421
oklch(23.4% 0.041 186.7)
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 #390917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.025
- Deep Brown #410200 ΔE 0.038
- Dark Plum #3F012C ΔE 0.047
- Mahogany #4A0100 ΔE 0.050
- Aubergine #3D0734 ΔE 0.057
- Eggplant #380835 ΔE 0.059
- Chocolate Brown #411900 ΔE 0.063
- Dark Brown #341C02 ΔE 0.067
Use #390917 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.