#37161A
Closest named color: Dark Brown (#341C02). oklch(25.1% 0.053 14.1), rgb(55, 22, 26).
Aa
White text reads best on this color (16.25:1).
About this color
#37161A is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.053 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.046 away. White text reads best on it, at 16.25:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.29:1 |
| White text | 16.25:1 |
Values
| HEX | #37161A |
| RGB | rgb(55, 22, 26) |
| HSL | hsl(353, 43%, 15%) |
| OKLCH | oklch(25.1% 0.053 14.1) |
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 #37161A | 16.25:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #37161A | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #37161A text on white | 16.25:1 | AAA | Lc 103.0 | Preferred for body text |
| #37161A 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
#EFD0D2
oklch(88.4% 0.035 13.4)
-
Step 300
300
#E6B1B4
oklch(80.9% 0.062 14.7)
-
Step 400
400
#D7868D
oklch(70.6% 0.1 14.3)
-
Step 500
500
#CA6672
oklch(63.1% 0.127 13.9)
-
Step 600
600
#B64B5A
oklch(55.7% 0.139 14.3)
-
Step 700
700
#9C3B4A
oklch(49.1% 0.13 13.9)
-
Step 800
800
#7F323D
oklch(42.8% 0.107 14.1)
-
Step 900
900
#662D34
oklch(37.7% 0.082 14.2)
-
Step 950
950 (this color)
#37161A
oklch(25.1% 0.053 14.1)
#37161A 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) | #1D1C1A | 0.057 |
| Deuteranopia (no green cones) | #252319 | 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°).
- #37161A
#37161A
oklch(25.1% 0.053 14.1)
- #002828
#002828
oklch(25.1% 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 #37161A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.046
- Chocolate Brown #411900 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.046
- Deep Brown #410200 ΔE 0.048
- Mahogany #4A0100 ΔE 0.056
- Jet #212529 ΔE 0.060
- Dark Plum #3F012C ΔE 0.063
- Aubergine #3D0734 ΔE 0.066
Use #37161A 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.