#583539
Closest named color: Purple Brown (#673A3F). oklch(37.3% 0.051 12.4), rgb(88, 53, 57).
Aa
White text reads best on this color (10.58:1).
About this color
#583539 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.051 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 10.58:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.58:1 |
Values
| HEX | #583539 |
| RGB | rgb(88, 53, 57) |
| HSL | hsl(353, 25%, 28%) |
| OKLCH | oklch(37.3% 0.051 12.4) |
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 #583539 | 10.58:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #583539 | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #583539 text on white | 10.58:1 | AAA | Lc 94.4 | Preferred for body text |
| #583539 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E8
oklch(93.6% 0.011 10.3)
-
Step 200
200
#E7D4D5
oklch(88.6% 0.021 13.9)
-
Step 300
300
#D8B7BA
oklch(80.9% 0.038 11.8)
-
Step 400
400
#C39196
oklch(70.6% 0.061 12.1)
-
Step 500
500
#B3767D
oklch(63.1% 0.077 12)
-
Step 600
600
#9E5E66
oklch(55.6% 0.084 12.1)
-
Step 700
700
#874D54
oklch(49% 0.079 12.6)
-
Step 800
800
#6E4045
oklch(42.8% 0.064 13.1)
-
Step 900
900 (this color)
#583539
oklch(37.3% 0.051 12.4)
-
Step 950
950
#342022
oklch(27% 0.031 12.8)
#583539 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) | #3B3B39 | 0.055 |
| Deuteranopia (no green cones) | #444138 | 0.050 |
| Tritanopia (no blue cones) | #5E3236 | 0.013 |
| Achromatopsia (no color) | #3F3F3F | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583539
#583539
oklch(37.3% 0.051 12.4)
- #1A4947
#1A4947
oklch(37.3% 0.051 191.3)
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 #583539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.057
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.077
- Chestnut #742802 ΔE 0.077
- Mud Brown #60460F ΔE 0.085
- Reddy Brown #6E1005 ΔE 0.086
- Gunmetal #293241 ΔE 0.089
Use #583539 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.