#37291D
Closest named color: Dark Brown (#341C02). oklch(29.4% 0.029 61.9), rgb(55, 41, 29).
Aa
White text reads best on this color (14.02:1).
About this color
#37291D is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.047 away. White text reads best on it, at 14.02:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.49:1 |
| White text | 14.02:1 |
Values
| HEX | #37291D |
| RGB | rgb(55, 41, 29) |
| HSL | hsl(28, 31%, 16%) |
| OKLCH | oklch(29.4% 0.029 61.9) |
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 #37291D | 14.02:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #37291D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #37291D text on white | 14.02:1 | AAA | Lc 100.7 | Preferred for body text |
| #37291D text on black | 1.49:1 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E3D7CD
oklch(88.6% 0.019 62.4)
-
Step 300
300
#D2BCAA
oklch(80.9% 0.035 61.6)
-
Step 400
400
#BA997D
oklch(70.6% 0.056 62)
-
Step 500
500
#A9805C
oklch(63.1% 0.071 62.3)
-
Step 600
600
#946942
oklch(55.6% 0.077 62.4)
-
Step 700
700
#7E5734
oklch(49.1% 0.072 61.8)
-
Step 800
800
#66472C
oklch(42.6% 0.059 61.3)
-
Step 900
900
#533C27
oklch(37.6% 0.046 63.1)
-
Step 950
950 (this color)
#37291D
oklch(29.4% 0.029 61.9)
#37291D 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) | #2D2A1C | 0.020 |
| Deuteranopia (no green cones) | #312D1D | 0.017 |
| Tritanopia (no blue cones) | #3B2626 | 0.023 |
| Achromatopsia (no color) | #2C2C2C | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37291D
#37291D
oklch(29.4% 0.029 61.9)
- #1F2E3A
#1F2E3A
oklch(29.3% 0.03 243.1)
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 #37291D, 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 0.050
- Jet #212529 ΔE 0.050
- Pakistan Green #283618 ΔE 0.053
- Gunmetal #293241 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.065
- Onyx #343A40 ΔE 0.067
- Dark #1B2431 ΔE 0.067
Use #37291D 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.