#37391D
Closest named color: Pakistan Green (#283618). oklch(33.5% 0.045 112.1), rgb(55, 57, 29).
Aa
White text reads best on this color (11.89:1).
About this color
#37391D is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.045 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.029 away. White text reads best on it, at 11.89:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.76:1 |
| White text | 11.89:1 |
Values
| HEX | #37391D |
| RGB | rgb(55, 57, 29) |
| HSL | hsl(64, 33%, 17%) |
| OKLCH | oklch(33.5% 0.045 112.1) |
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 #37391D | 11.89:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #37391D | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #37391D text on white | 11.89:1 | AAA | Lc 97.3 | Preferred for body text |
| #37391D text on black | 1.76:1 | 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 900.
-
Step 50
50
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#EAEBE3
oklch(93.7% 0.011 112.4)
-
Step 200
200
#D9DBCD
oklch(88.6% 0.019 113.4)
-
Step 300
300
#C1C3AB
oklch(80.9% 0.033 111)
-
Step 400
400
#A1A47E
oklch(70.6% 0.053 111.4)
-
Step 500
500
#8A8E5D
oklch(63.1% 0.069 112.2)
-
Step 600
600
#747843
oklch(55.6% 0.075 112.3)
-
Step 700
700
#616534
oklch(49.1% 0.07 112.8)
-
Step 800
800
#50522C
oklch(42.7% 0.057 111.2)
-
Step 900
900 (this color)
#37391D
oklch(33.5% 0.045 112.1)
-
Step 950
950
#272818
oklch(27.1% 0.028 111.1)
#37391D 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) | #3D371B | 0.011 |
| Deuteranopia (no green cones) | #3D371E | 0.013 |
| Tritanopia (no blue cones) | #3A3632 | 0.039 |
| Achromatopsia (no color) | #373737 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37391D
#37391D
oklch(33.5% 0.045 112.1)
- #37324C
#37324C
oklch(33.4% 0.046 292.6)
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 #37391D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.029
- Dark Olive #373E02 ΔE 0.035
- Onyx #343A40 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.059
- Evergreen #05472A ΔE 0.060
- Pine Green #0A481E ΔE 0.065
- Hunter Green #0B4008 ΔE 0.066
- Forrest Green #154406 ΔE 0.066
Use #37391D 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.