#39090A
Closest named color: Dark Maroon (#3C0008). oklch(23.1% 0.075 24.3), rgb(57, 9, 10).
Aa
White text reads best on this color (17.24:1).
About this color
#39090A is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.075 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.017 away. White text reads best on it, at 17.24:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.24:1 |
Values
| HEX | #39090A |
| RGB | rgb(57, 9, 10) |
| HSL | hsl(359, 73%, 13%) |
| OKLCH | oklch(23.1% 0.075 24.3) |
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 #39090A | 17.24:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #39090A | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #39090A text on white | 17.24:1 | AAA | Lc 103.5 | Preferred for body text |
| #39090A text on black | 1.21:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC9
oklch(88.4% 0.049 24.3)
-
Step 300
300
#F5AAA4
oklch(80.8% 0.089 24.3)
-
Step 400
400
#EC7A74
oklch(70.8% 0.142 24.4)
-
Step 500
500
#E25150
oklch(63.1% 0.181 24.2)
-
Step 600
600
#CE2B33
oklch(55.7% 0.198 24.4)
-
Step 700
700
#B11A26
oklch(49% 0.183 24.3)
-
Step 800
800
#901B21
oklch(42.7% 0.152 24.3)
-
Step 900
900
#741F20
oklch(37.8% 0.119 24.3)
-
Step 950
950 (this color)
#39090A
oklch(23.1% 0.075 24.3)
#39090A 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) | #17140A | 0.081 |
| Deuteranopia (no green cones) | #231F08 | 0.075 |
| Tritanopia (no blue cones) | #40000A | 0.021 |
| Achromatopsia (no color) | #1B1B1B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39090A
#39090A
oklch(23.1% 0.075 24.3)
- #002226
#002226
oklch(23% 0.039 206.2)
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 #39090A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.017
- Deep Brown #410200 ΔE 0.023
- Mahogany #4A0100 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.050
- Dark Brown #341C02 ΔE 0.054
- Dark Plum #3F012C ΔE 0.068
- Aubergine #3D0734 ΔE 0.078
- Eggplant #380835 ΔE 0.080
Use #39090A 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.