#36181B
Closest named color: Dark Brown (#341C02). oklch(25.3% 0.048 14.8), rgb(54, 24, 27).
Aa
White text reads best on this color (16.11:1).
About this color
#36181B is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.048 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.043 away. White text reads best on it, at 16.11:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.11:1 |
Values
| HEX | #36181B |
| RGB | rgb(54, 24, 27) |
| HSL | hsl(354, 38%, 15%) |
| OKLCH | oklch(25.3% 0.048 14.8) |
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 #36181B | 16.11:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #36181B | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #36181B text on white | 16.11:1 | AAA | Lc 102.9 | Preferred for body text |
| #36181B 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
#F5E6E6
oklch(93.7% 0.016 17.4)
-
Step 200
200
#EDD1D2
oklch(88.4% 0.031 15.3)
-
Step 300
300
#E3B2B5
oklch(80.9% 0.057 14.3)
-
Step 400
400
#D3898F
oklch(70.7% 0.091 14.3)
-
Step 500
500
#C56A73
oklch(63.1% 0.116 14.7)
-
Step 600
600
#B0505B
oklch(55.5% 0.125 15)
-
Step 700
700
#97404B
oklch(49% 0.117 14.7)
-
Step 800
800
#7B353E
oklch(42.6% 0.098 14.3)
-
Step 900
900
#632F35
oklch(37.6% 0.075 14.1)
-
Step 950
950 (this color)
#36181B
oklch(25.3% 0.048 14.8)
#36181B 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) | #1E1D1B | 0.052 |
| Deuteranopia (no green cones) | #25231A | 0.049 |
| Tritanopia (no blue cones) | #3B1419 | 0.014 |
| Achromatopsia (no color) | #212121 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36181B
#36181B
oklch(25.3% 0.048 14.8)
- #002929
#002929
oklch(25.4% 0.043 194.8)
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 #36181B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.043
- Chocolate Brown #411900 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.052
- Deep Brown #410200 ΔE 0.052
- Jet #212529 ΔE 0.055
- Mahogany #4A0100 ΔE 0.060
- Dark #1B2431 ΔE 0.066
- Dark Plum #3F012C ΔE 0.067
Use #36181B 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.