#583F31
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.042 50.4), rgb(88, 63, 49).
Aa
White text reads best on this color (9.67:1).
About this color
#583F31 is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.042 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 9.67:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #583F31 |
| RGB | rgb(88, 63, 49) |
| HSL | hsl(22, 28%, 27%) |
| OKLCH | oklch(39.2% 0.042 50.4) |
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 #583F31 | 9.67:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #583F31 | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #583F31 text on white | 9.67:1 | AAA | Lc 92.4 | Preferred for body text |
| #583F31 text on black | 2.17:1 | Fails | Lc -10.1 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E3D6CF
oklch(88.5% 0.017 50.4)
-
Step 300
300
#D2BBAF
oklch(80.8% 0.031 49.4)
-
Step 400
400
#BB9885
oklch(70.7% 0.05 50)
-
Step 500
500
#AA7E66
oklch(63% 0.065 49.8)
-
Step 600
600
#95674E
oklch(55.6% 0.07 49.3)
-
Step 700
700
#7F563F
oklch(49.2% 0.065 50)
-
Step 800
800
#674634
oklch(42.6% 0.054 49.4)
-
Step 900
900 (this color)
#583F31
oklch(39.2% 0.042 50.4)
-
Step 950
950
#31231B
oklch(27% 0.026 51)
#583F31 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) | #464130 | 0.033 |
| Deuteranopia (no green cones) | #4C4731 | 0.031 |
| Tritanopia (no blue cones) | #5F3B3B | 0.026 |
| Achromatopsia (no color) | #444444 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F31
#583F31
oklch(39.2% 0.042 50.4)
- #2D4A58
#2D4A58
oklch(39.2% 0.042 230.1)
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 #583F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Mud Brown #60460F ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.053
- Onyx #343A40 ΔE 0.072
- Chestnut #742802 ΔE 0.075
- Green Brown #544E03 ΔE 0.075
- Brownish Purple #76424E ΔE 0.075
- Dark Slate Gray #2F4F4F ΔE 0.077
Use #583F31 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.