#583240
Closest named color: Purple Brown (#673A3F). oklch(36.9% 0.058 356.7), rgb(88, 50, 64).
Aa
White text reads best on this color (10.79:1).
About this color
#583240 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.058 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 10.79:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #583240 |
| RGB | rgb(88, 50, 64) |
| HSL | hsl(338, 28%, 27%) |
| OKLCH | oklch(36.9% 0.058 356.7) |
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 #583240 | 10.79:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #583240 | 1.94:1 | Fails | Lc 9.1 | Not readable |
| #583240 text on white | 10.79:1 | AAA | Lc 94.9 | Preferred for body text |
| #583240 text on black | 1.94:1 | Fails | Lc -7.8 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E6EA
oklch(93.5% 0.013 353.2)
-
Step 200
200
#E7D3D9
oklch(88.5% 0.024 357.4)
-
Step 300
300
#D9B5C1
oklch(80.8% 0.044 356.1)
-
Step 400
400
#C58FA1
oklch(70.7% 0.069 357.3)
-
Step 500
500
#B5728A
oklch(63% 0.09 356.9)
-
Step 600
600
#A05A74
oklch(55.6% 0.097 357)
-
Step 700
700
#894A62
oklch(49.2% 0.09 356.7)
-
Step 800
800
#6F3D50
oklch(42.7% 0.074 356.5)
-
Step 900
900 (this color)
#583240
oklch(36.9% 0.058 356.7)
-
Step 950
950
#351F27
oklch(27.1% 0.036 356.4)
#583240 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) | #373940 | 0.063 |
| Deuteranopia (no green cones) | #40403F | 0.059 |
| Tritanopia (no blue cones) | #5E3037 | 0.018 |
| Achromatopsia (no color) | #3D3D3D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583240
#583240
oklch(36.9% 0.058 356.7)
- #14493F
#14493F
oklch(36.8% 0.058 177.9)
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 #583240, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.064
- Onyx #343A40 ΔE 0.068
- Brownish Purple #76424E ΔE 0.079
- Grape Purple #5D1451 ΔE 0.080
- Chestnut #742802 ΔE 0.087
- Gunmetal #293241 ΔE 0.087
- Merlot #730039 ΔE 0.088
Use #583240 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.