#515337
Closest named color: Green Brown (#544E03). oklch(43.3% 0.043 111.5), rgb(81, 83, 55).
Aa
White text reads best on this color (7.94:1).
About this color
#515337 is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.043 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.047 away. White text reads best on it, at 7.94:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #515337 |
| RGB | rgb(81, 83, 55) |
| HSL | hsl(64, 20%, 27%) |
| OKLCH | oklch(43.3% 0.043 111.5) |
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 #515337 | 7.94:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #515337 | 2.64:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #515337 text on white | 7.94:1 | AAA | Lc 87.6 | Fine for body text |
| #515337 text on black | 2.64:1 | Fails | Lc -14.6 | 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 800.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#D9DAD0
oklch(88.5% 0.014 111.3)
-
Step 300
300
#C1C2B0
oklch(80.8% 0.025 109.5)
-
Step 400
400
#A1A387
oklch(70.6% 0.039 110.7)
-
Step 500
500
#8A8D69
oklch(63.1% 0.051 111.7)
-
Step 600
600
#747750
oklch(55.6% 0.057 111.8)
-
Step 700
700
#616441
oklch(49.1% 0.052 112.3)
-
Step 800
800 (this color)
#515337
oklch(43.3% 0.043 111.5)
-
Step 900
900
#42432F
oklch(37.6% 0.032 110.2)
-
Step 950
950
#27281B
oklch(27.2% 0.023 111.5)
#515337 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) | #575035 | 0.012 |
| Deuteranopia (no green cones) | #575138 | 0.012 |
| Tritanopia (no blue cones) | #55504C | 0.038 |
| Achromatopsia (no color) | #515151 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515337
#515337
oklch(43.3% 0.043 111.5)
- #504C67
#504C67
oklch(43.1% 0.044 291.2)
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 #515337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.047
- Mud Brown #60460F ΔE 0.050
- Olive Brown #645403 ΔE 0.053
- Army Green #4B5D16 ΔE 0.057
- Pine #2B5D34 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.062
- Camo Green #526525 ΔE 0.067
- Camouflage Green #4B6113 ΔE 0.068
Use #515337 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.