#583B39
Closest named color: Purple Brown (#673A3F). oklch(38.5% 0.042 23.6), rgb(88, 59, 57).
Aa
White text reads best on this color (10.00:1).
About this color
#583B39 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.042 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 10.00:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #583B39 |
| RGB | rgb(88, 59, 57) |
| HSL | hsl(4, 21%, 28%) |
| OKLCH | oklch(38.5% 0.042 23.6) |
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 #583B39 | 10.00:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #583B39 | 2.09:1 | Fails | Lc 10.8 | Not readable |
| #583B39 text on white | 10.00:1 | AAA | Lc 93.1 | Preferred for body text |
| #583B39 text on black | 2.09:1 | Fails | Lc -9.3 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E7
oklch(93.7% 0.009 26)
-
Step 200
200
#E4D5D4
oklch(88.5% 0.017 22.1)
-
Step 300
300
#D4B9B7
oklch(80.8% 0.031 22.9)
-
Step 400
400
#BE9592
oklch(70.7% 0.05 23.2)
-
Step 500
500
#AD7B77
oklch(63.2% 0.063 24.1)
-
Step 600
600
#986360
oklch(55.6% 0.069 23.1)
-
Step 700
700
#82524F
oklch(49.2% 0.065 23.6)
-
Step 800
800
#694341
oklch(42.6% 0.053 22.8)
-
Step 900
900 (this color)
#583B39
oklch(38.5% 0.042 23.6)
-
Step 950
950
#322120
oklch(26.8% 0.027 22.8)
#583B39 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) | #413F39 | 0.043 |
| Deuteranopia (no green cones) | #484539 | 0.040 |
| Tritanopia (no blue cones) | #5E383B | 0.015 |
| Achromatopsia (no color) | #424242 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583B39
#583B39
oklch(38.5% 0.042 23.6)
- #274A4E
#274A4E
oklch(38.4% 0.041 205.1)
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 #583B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.050
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.070
- Mud Brown #60460F ΔE 0.071
- Chestnut #742802 ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.081
- Charcoal #264653 ΔE 0.084
Use #583B39 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.