#381F18
Closest named color: Dark Brown (#341C02). oklch(27% 0.041 36.4), rgb(56, 31, 24).
Aa
White text reads best on this color (15.24:1).
About this color
#381F18 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.041 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.031 away. White text reads best on it, at 15.24:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.37:1 |
| White text | 15.24:1 |
Values
| HEX | #381F18 |
| RGB | rgb(56, 31, 24) |
| HSL | hsl(13, 40%, 16%) |
| OKLCH | oklch(27% 0.041 36.4) |
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 #381F18 | 15.24:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #381F18 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #381F18 text on white | 15.24:1 | AAA | Lc 102.0 | Preferred for body text |
| #381F18 text on black | 1.37:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD3CD
oklch(88.4% 0.027 35)
-
Step 300
300
#DEB6AB
oklch(80.9% 0.049 35.9)
-
Step 400
400
#CC907E
oklch(70.8% 0.078 37.4)
-
Step 500
500
#BE735E
oklch(63.2% 0.1 36.4)
-
Step 600
600
#A95A44
oklch(55.6% 0.109 36.5)
-
Step 700
700
#914A36
oklch(49.2% 0.101 36.6)
-
Step 800
800
#763D2D
oklch(42.8% 0.084 36.6)
-
Step 900
900
#5F3428
oklch(37.6% 0.066 36.4)
-
Step 950
950 (this color)
#381F18
oklch(27% 0.041 36.4)
#381F18 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) | #252217 | 0.040 |
| Deuteranopia (no green cones) | #2B2718 | 0.036 |
| Tritanopia (no blue cones) | #3D1B1D | 0.020 |
| Achromatopsia (no color) | #252525 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #381F18
#381F18
oklch(27% 0.041 36.4)
- #092B34
#092B34
oklch(27% 0.041 219)
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 #381F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.031
- Chocolate Brown #411900 ΔE 0.033
- Jet #212529 ΔE 0.050
- Deep Brown #410200 ΔE 0.062
- Mahogany #4A0100 ΔE 0.065
- Dark #1B2431 ΔE 0.066
- Dark Maroon #3C0008 ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.076
Use #381F18 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.