#583729
Closest named color: Purple Brown (#673A3F). oklch(37.2% 0.053 43.7), rgb(88, 55, 41).
Aa
White text reads best on this color (10.53:1).
About this color
#583729 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.053 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 10.53:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #583729 |
| RGB | rgb(88, 55, 41) |
| HSL | hsl(18, 36%, 25%) |
| OKLCH | oklch(37.2% 0.053 43.7) |
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 #583729 | 10.53:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #583729 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #583729 text on white | 10.53:1 | AAA | Lc 94.3 | Preferred for body text |
| #583729 text on black | 1.99:1 | Fails | Lc -8.3 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E8E4
oklch(93.7% 0.011 45.7)
-
Step 200
200
#E7D5CE
oklch(88.6% 0.022 42.6)
-
Step 300
300
#D8B9AC
oklch(80.9% 0.04 44.1)
-
Step 400
400
#C39481
oklch(70.6% 0.063 43)
-
Step 500
500
#B37961
oklch(63% 0.081 43.3)
-
Step 600
600
#9E6248
oklch(55.6% 0.087 44)
-
Step 700
700
#875139
oklch(49.1% 0.081 44.4)
-
Step 800
800
#6E422F
oklch(42.6% 0.068 43.9)
-
Step 900
900 (this color)
#583729
oklch(37.2% 0.053 43.7)
-
Step 950
950
#342119
oklch(26.9% 0.033 43.7)
#583729 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) | #403B28 | 0.046 |
| Deuteranopia (no green cones) | #474229 | 0.044 |
| Tritanopia (no blue cones) | #5F3133 | 0.030 |
| Achromatopsia (no color) | #3F3F3F | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583729
#583729
oklch(37.2% 0.053 43.7)
- #1C4655
#1C4655
oklch(37.1% 0.053 224.5)
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 #583729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.060
- Mud Brown #60460F ΔE 0.062
- Chestnut #742802 ΔE 0.064
- Onyx #343A40 ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.082
- Dark Olive #373E02 ΔE 0.085
- Brownish Purple #76424E ΔE 0.086
Use #583729 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.