#36181D
Closest named color: Dark Brown (#341C02). oklch(25.4% 0.048 10.5), rgb(54, 24, 29).
Aa
White text reads best on this color (16.08:1).
About this color
#36181D is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.048 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.047 away. White text reads best on it, at 16.08:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.08:1 |
Values
| HEX | #36181D |
| RGB | rgb(54, 24, 29) |
| HSL | hsl(350, 38%, 15%) |
| OKLCH | oklch(25.4% 0.048 10.5) |
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 #36181D | 16.08:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #36181D | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #36181D text on white | 16.08:1 | AAA | Lc 102.9 | Preferred for body text |
| #36181D text on black | 1.30:1 | 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
#FAF3F4
oklch(97% 0.008 7.3)
-
Step 100
100
#F5E6E7
oklch(93.7% 0.016 12.8)
-
Step 200
200
#EDD1D4
oklch(88.5% 0.032 10.4)
-
Step 300
300
#E3B2B8
oklch(80.9% 0.057 10.2)
-
Step 400
400
#D28993
oklch(70.7% 0.09 10.7)
-
Step 500
500
#C56A79
oklch(63.2% 0.116 10.5)
-
Step 600
600
#B04F61
oklch(55.5% 0.127 10.6)
-
Step 700
700
#974051
oklch(49.2% 0.118 10.4)
-
Step 800
800
#7B3542
oklch(42.7% 0.098 10.6)
-
Step 900
900
#632F38
oklch(37.7% 0.076 10.5)
-
Step 950
950 (this color)
#36181D
oklch(25.4% 0.048 10.5)
#36181D 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) | #1E1D1D | 0.052 |
| Deuteranopia (no green cones) | #25231C | 0.048 |
| Tritanopia (no blue cones) | #3B151A | 0.013 |
| Achromatopsia (no color) | #212121 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36181D
#36181D
oklch(25.4% 0.048 10.5)
- #002927
#002927
oklch(25.3% 0.044 189.8)
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 #36181D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.047
- Chocolate Brown #411900 ΔE 0.048
- Dark Maroon #3C0008 ΔE 0.053
- Deep Brown #410200 ΔE 0.054
- Jet #212529 ΔE 0.054
- Mahogany #4A0100 ΔE 0.061
- Dark Plum #3F012C ΔE 0.064
- Dark #1B2431 ΔE 0.064
Use #36181D 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.