#37281A
Closest named color: Dark Brown (#341C02). oklch(29% 0.033 64), rgb(55, 40, 26).
Aa
White text reads best on this color (14.18:1).
About this color
#37281A is a dark, muted brown. In OKLCH its lightness is 29%, its chroma 0.033 and its hue 64°. 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 14.18:1.
| Hue family | Browns |
| Lightness | dark (29%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.48:1 |
| White text | 14.18:1 |
Values
| HEX | #37281A |
| RGB | rgb(55, 40, 26) |
| HSL | hsl(29, 36%, 16%) |
| OKLCH | oklch(29% 0.033 64) |
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 #37281A | 14.18:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #37281A | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #37281A text on white | 14.18:1 | AAA | Lc 100.8 | Preferred for body text |
| #37281A text on black | 1.48:1 | 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
#EFE8E2
oklch(93.5% 0.011 63.4)
-
Step 200
200
#E4D6CB
oklch(88.4% 0.022 60.7)
-
Step 300
300
#D3BCA7
oklch(80.9% 0.039 64.6)
-
Step 400
400
#BC9978
oklch(70.7% 0.062 64.9)
-
Step 500
500
#AB7F56
oklch(63% 0.078 63.6)
-
Step 600
600
#96683A
oklch(55.6% 0.086 64.4)
-
Step 700
700
#80562C
oklch(49% 0.08 64)
-
Step 800
800
#684726
oklch(42.7% 0.066 64.5)
-
Step 900
900
#553C23
oklch(37.8% 0.052 65.1)
-
Step 950
950 (this color)
#37281A
oklch(29% 0.033 64)
#37281A 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) | #2D2919 | 0.020 |
| Deuteranopia (no green cones) | #302C1A | 0.018 |
| Tritanopia (no blue cones) | #3C2524 | 0.025 |
| Achromatopsia (no color) | #2B2B2B | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37281A
#37281A
oklch(29% 0.033 64)
- #1D2D3B
#1D2D3B
oklch(29% 0.033 245.7)
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 #37281A, 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 0.046
- Jet #212529 ΔE 0.051
- Pakistan Green #283618 ΔE 0.054
- Gunmetal #293241 ΔE 0.067
- Dark #1B2431 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.069
- Onyx #343A40 ΔE 0.071
Use #37281A 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.