#37270A
Closest named color: Dark Brown (#341C02). oklch(28.5% 0.049 79.2), rgb(55, 39, 10).
Aa
White text reads best on this color (14.41:1).
About this color
#37270A is a dark, muted brown. In OKLCH its lightness is 29%, its chroma 0.049 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.035 away. White text reads best on it, at 14.41:1.
| Hue family | Browns |
| Lightness | dark (29%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.45:1 |
| White text | 14.41:1 |
Values
| HEX | #37270A |
| RGB | rgb(55, 39, 10) |
| HSL | hsl(39, 69%, 13%) |
| OKLCH | oklch(28.5% 0.049 79.2) |
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 #37270A | 14.41:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #37270A | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #37270A text on white | 14.41:1 | AAA | Lc 101.1 | Preferred for body text |
| #37270A text on black | 1.45:1 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DE
oklch(93.6% 0.017 79.3)
-
Step 200
200
#E5D7C2
oklch(88.5% 0.032 78.1)
-
Step 300
300
#D5BD97
oklch(80.9% 0.058 79.1)
-
Step 400
400
#C09A5B
oklch(70.8% 0.093 79)
-
Step 500
500
#AF8024
oklch(63.1% 0.118 79.5)
-
Step 600
600
#976A00
oklch(55.7% 0.116 79.3)
-
Step 700
700
#7F5900
oklch(49.2% 0.102 79.8)
-
Step 800
800
#694800
oklch(42.7% 0.089 78.7)
-
Step 900
900
#573C02
oklch(37.7% 0.077 79.5)
-
Step 950
950 (this color)
#37270A
oklch(28.5% 0.049 79.2)
#37270A 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) | #2D2707 | 0.021 |
| Deuteranopia (no green cones) | #312B0B | 0.017 |
| Tritanopia (no blue cones) | #3C2221 | 0.043 |
| Achromatopsia (no color) | #2A2A2A | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37270A
#37270A
oklch(28.5% 0.049 79.2)
- #1B2A42
#1B2A42
oklch(28.4% 0.049 259.5)
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 #37270A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.035
- Chocolate Brown #411900 ΔE 0.041
- Pakistan Green #283618 ΔE 0.051
- Jet #212529 ΔE 0.063
- Very Dark Green #062E03 ΔE 0.077
- Dark Olive #373E02 ΔE 0.078
- Dark Forest Green #002D04 ΔE 0.081
- Dark #1B2431 ΔE 0.081
Use #37270A 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.