#583724
Closest named color: Purple Brown (#673A3F). oklch(37.1% 0.056 50.3), rgb(88, 55, 36).
Aa
White text reads best on this color (10.56:1).
About this color
#583724 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.056 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.051 away. White text reads best on it, at 10.56:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #583724 |
| RGB | rgb(88, 55, 36) |
| HSL | hsl(22, 42%, 24%) |
| OKLCH | oklch(37.1% 0.056 50.3) |
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 #583724 | 10.56:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #583724 | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #583724 text on white | 10.56:1 | AAA | Lc 94.4 | Preferred for body text |
| #583724 text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E7D5CC
oklch(88.5% 0.024 48.4)
-
Step 300
300
#D8B9A9
oklch(80.8% 0.042 49)
-
Step 400
400
#C4957B
oklch(70.8% 0.068 50.2)
-
Step 500
500
#B47A59
oklch(63.1% 0.086 50.3)
-
Step 600
600
#9F623E
oklch(55.6% 0.094 50.4)
-
Step 700
700
#885130
oklch(49.1% 0.088 50.5)
-
Step 800
800
#6E4329
oklch(42.7% 0.071 51)
-
Step 900
900 (this color)
#583724
oklch(37.1% 0.056 50.3)
-
Step 950
950
#352116
oklch(27% 0.037 49.5)
#583724 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) | #403A22 | 0.046 |
| Deuteranopia (no green cones) | #484224 | 0.043 |
| Tritanopia (no blue cones) | #603132 | 0.035 |
| Achromatopsia (no color) | #3F3F3F | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583724
#583724
oklch(37.1% 0.056 50.3)
- #1C4558
#1C4558
oklch(37% 0.056 231)
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 #583724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.051
- Mud Brown #60460F ΔE 0.058
- Chestnut #742802 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.063
- Onyx #343A40 ΔE 0.074
- Dark Olive #373E02 ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.081
- Green Brown #544E03 ΔE 0.084
Use #583724 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.