#391018
Closest named color: Dark Maroon (#3C0008). oklch(24.4% 0.065 11.5), rgb(57, 16, 24).
Aa
White text reads best on this color (16.64:1).
About this color
#391018 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.065 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.034 away. White text reads best on it, at 16.64:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.26:1 |
| White text | 16.64:1 |
Values
| HEX | #391018 |
| RGB | rgb(57, 16, 24) |
| HSL | hsl(348, 56%, 14%) |
| OKLCH | oklch(24.4% 0.065 11.5) |
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 #391018 | 16.64:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #391018 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #391018 text on white | 16.64:1 | AAA | Lc 103.2 | Preferred for body text |
| #391018 text on black | 1.26:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E6
oklch(93.5% 0.022 10.6)
-
Step 200
200
#F4CED2
oklch(88.5% 0.043 10.8)
-
Step 300
300
#EEACB4
oklch(80.9% 0.078 10.9)
-
Step 400
400
#E27E8D
oklch(70.7% 0.124 11.2)
-
Step 500
500
#D75A71
oklch(63.2% 0.158 11.5)
-
Step 600
600
#C23A59
oklch(55.6% 0.172 11.4)
-
Step 700
700
#A72B49
oklch(49.1% 0.16 11.4)
-
Step 800
800
#88263C
oklch(42.8% 0.133 11.6)
-
Step 900
900
#6D2533
oklch(37.7% 0.103 11.8)
-
Step 950
950 (this color)
#391018
oklch(24.4% 0.065 11.5)
#391018 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) | #191918 | 0.072 |
| Deuteranopia (no green cones) | #242117 | 0.065 |
| Tritanopia (no blue cones) | #3F0A13 | 0.017 |
| Achromatopsia (no color) | #1E1E1E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391018
#391018
oklch(24.4% 0.065 11.5)
- #002625
#002625
oklch(24.3% 0.042 192.1)
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 #391018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.034
- Deep Brown #410200 ΔE 0.039
- Mahogany #4A0100 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.052
- Dark Plum #3F012C ΔE 0.054
- Dark Brown #341C02 ΔE 0.055
- Aubergine #3D0734 ΔE 0.060
- Eggplant #380835 ΔE 0.062
Use #391018 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.