#391818
Closest named color: Chocolate Brown (#411900). oklch(25.8% 0.053 21.4), rgb(57, 24, 24).
Aa
White text reads best on this color (15.93:1).
About this color
#391818 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.053 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.037 away. White text reads best on it, at 15.93:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.31:1 |
| White text | 15.93:1 |
Values
| HEX | #391818 |
| RGB | rgb(57, 24, 24) |
| HSL | hsl(0, 41%, 16%) |
| OKLCH | oklch(25.8% 0.053 21.4) |
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 #391818 | 15.93:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #391818 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #391818 text on white | 15.93:1 | AAA | Lc 102.7 | Preferred for body text |
| #391818 text on black | 1.31:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#EFD1CF
oklch(88.5% 0.034 22.4)
-
Step 300
300
#E6B1AF
oklch(80.8% 0.062 21)
-
Step 400
400
#D88785
oklch(70.7% 0.1 21.4)
-
Step 500
500
#CB6767
oklch(63.1% 0.127 21.3)
-
Step 600
600
#B64C4E
oklch(55.6% 0.138 21.6)
-
Step 700
700
#9C3C3F
oklch(49% 0.128 21.3)
-
Step 800
800
#7F3334
oklch(42.7% 0.106 21.9)
-
Step 900
900
#672D2E
oklch(37.7% 0.084 20.9)
-
Step 950
950 (this color)
#391818
oklch(25.8% 0.053 21.4)
#391818 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) | #1F1E18 | 0.057 |
| Deuteranopia (no green cones) | #282417 | 0.050 |
| Tritanopia (no blue cones) | #3F1318 | 0.017 |
| Achromatopsia (no color) | #222222 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391818
#391818
oklch(25.8% 0.053 21.4)
- #002A2C
#002A2C
oklch(25.9% 0.044 199.7)
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 #391818, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.037
- Dark Brown #341C02 ΔE 0.039
- Deep Brown #410200 ΔE 0.048
- Dark Maroon #3C0008 ΔE 0.050
- Mahogany #4A0100 ΔE 0.053
- Jet #212529 ΔE 0.060
- Dark Plum #3F012C ΔE 0.070
- Dark #1B2431 ΔE 0.072
Use #391818 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.