#390B0B
Closest named color: Dark Maroon (#3C0008). oklch(23.3% 0.073 24.8), rgb(57, 11, 11).
Aa
White text reads best on this color (17.11:1).
About this color
#390B0B is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.073 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.021 away. White text reads best on it, at 17.11:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.22:1 |
| White text | 17.11:1 |
Values
| HEX | #390B0B |
| RGB | rgb(57, 11, 11) |
| HSL | hsl(0, 68%, 13%) |
| OKLCH | oklch(23.3% 0.073 24.8) |
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 #390B0B | 17.11:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #390B0B | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #390B0B text on white | 17.11:1 | AAA | Lc 103.5 | Preferred for body text |
| #390B0B 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F3ABA5
oklch(80.8% 0.086 24.5)
-
Step 400
400
#EA7B75
oklch(70.7% 0.138 24.4)
-
Step 500
500
#E05451
oklch(63.2% 0.176 24.7)
-
Step 600
600
#CB3035
oklch(55.5% 0.191 24.6)
-
Step 700
700
#AF2027
oklch(49% 0.178 24.8)
-
Step 800
800
#8E1F22
oklch(42.7% 0.146 24.8)
-
Step 900
900
#722120
oklch(37.6% 0.114 25.1)
-
Step 950
950 (this color)
#390B0B
oklch(23.3% 0.073 24.8)
#390B0B 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) | #18150B | 0.078 |
| Deuteranopia (no green cones) | #231F0A | 0.072 |
| Tritanopia (no blue cones) | #40010C | 0.022 |
| Achromatopsia (no color) | #1C1C1C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #390B0B
#390B0B
oklch(23.3% 0.073 24.8)
- #002326
#002326
oklch(23.3% 0.04 203.2)
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 #390B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.021
- Deep Brown #410200 ΔE 0.024
- Mahogany #4A0100 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.048
- Dark Brown #341C02 ΔE 0.051
- Dark Plum #3F012C ΔE 0.068
- Aubergine #3D0734 ΔE 0.077
- Eggplant #380835 ΔE 0.080
Use #390B0B 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.