#37161B
Closest named color: Dark Maroon (#3C0008). oklch(25.1% 0.053 12.2), rgb(55, 22, 27).
Aa
White text reads best on this color (16.24:1).
About this color
#37161B is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.053 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.047 away. White text reads best on it, at 16.24:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.29:1 |
| White text | 16.24:1 |
Values
| HEX | #37161B |
| RGB | rgb(55, 22, 27) |
| HSL | hsl(351, 43%, 15%) |
| OKLCH | oklch(25.1% 0.053 12.2) |
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 #37161B | 16.24:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #37161B | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #37161B text on white | 16.24:1 | AAA | Lc 103.0 | Preferred for body text |
| #37161B text on black | 1.29:1 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#EFD0D3
oklch(88.4% 0.035 11.2)
-
Step 300
300
#E6B1B6
oklch(81% 0.062 12.2)
-
Step 400
400
#D78690
oklch(70.7% 0.1 11.9)
-
Step 500
500
#CA6674
oklch(63.1% 0.127 12.6)
-
Step 600
600
#B54B5D
oklch(55.6% 0.138 12.3)
-
Step 700
700
#9C3B4D
oklch(49.2% 0.13 12)
-
Step 800
800
#7E323F
oklch(42.7% 0.106 12.2)
-
Step 900
900
#662C35
oklch(37.6% 0.084 12.4)
-
Step 950
950 (this color)
#37161B
oklch(25.1% 0.053 12.2)
#37161B 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) | #1D1C1B | 0.057 |
| Deuteranopia (no green cones) | #25231A | 0.054 |
| Tritanopia (no blue cones) | #3C1218 | 0.014 |
| Achromatopsia (no color) | #202020 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37161B
#37161B
oklch(25.1% 0.053 12.2)
- #002827
#002827
oklch(25% 0.043 192.2)
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 #37161B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.047
- Dark Brown #341C02 ΔE 0.047
- Chocolate Brown #411900 ΔE 0.047
- Deep Brown #410200 ΔE 0.049
- Mahogany #4A0100 ΔE 0.057
- Jet #212529 ΔE 0.060
- Dark Plum #3F012C ΔE 0.061
- Aubergine #3D0734 ΔE 0.064
Use #37161B 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.