#37190A
Closest named color: Dark Brown (#341C02). oklch(25.3% 0.054 45.7), rgb(55, 25, 10).
Aa
White text reads best on this color (16.08:1).
About this color
#37190A is a dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.054 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.018 away. White text reads best on it, at 16.08:1.
| Hue family | Browns |
| Lightness | dark (25%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.30:1 |
| White text | 16.08:1 |
Values
| HEX | #37190A |
| RGB | rgb(55, 25, 10) |
| HSL | hsl(20, 69%, 13%) |
| OKLCH | oklch(25.3% 0.054 45.7) |
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 #37190A | 16.08:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #37190A | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #37190A text on white | 16.08:1 | AAA | Lc 102.8 | Preferred for body text |
| #37190A 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED3C6
oklch(88.6% 0.035 47.4)
-
Step 300
300
#E4B49F
oklch(80.8% 0.063 44.8)
-
Step 400
400
#D58C6A
oklch(70.7% 0.101 45.6)
-
Step 500
500
#C86D40
oklch(63% 0.13 45.7)
-
Step 600
600
#B4531D
oklch(55.6% 0.141 45.7)
-
Step 700
700
#9B430E
oklch(49.2% 0.132 45.7)
-
Step 800
800
#7D3810
oklch(42.7% 0.108 46.3)
-
Step 900
900
#653116
oklch(37.7% 0.084 46)
-
Step 950
950 (this color)
#37190A
oklch(25.3% 0.054 45.7)
#37190A 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) | #211D08 | 0.049 |
| Deuteranopia (no green cones) | #29240A | 0.044 |
| Tritanopia (no blue cones) | #3D1316 | 0.030 |
| Achromatopsia (no color) | #212121 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37190A
#37190A
oklch(25.3% 0.054 45.7)
- #002734
#002734
oklch(25.4% 0.048 225.4)
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 #37190A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.018
- Chocolate Brown #411900 ΔE 0.025
- Deep Brown #410200 ΔE 0.047
- Mahogany #4A0100 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.055
- Jet #212529 ΔE 0.063
- Dark #1B2431 ΔE 0.079
- Dark Plum #3F012C ΔE 0.091
Use #37190A 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.