#583647
Closest named color: Purple Brown (#673A3F). oklch(38% 0.055 348.6), rgb(88, 54, 71).
Aa
White text reads best on this color (10.32:1).
About this color
#583647 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.055 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.32:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.03:1 |
| White text | 10.32:1 |
Values
| HEX | #583647 |
| RGB | rgb(88, 54, 71) |
| HSL | hsl(330, 24%, 28%) |
| OKLCH | oklch(38% 0.055 348.6) |
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 #583647 | 10.32:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #583647 | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #583647 text on white | 10.32:1 | AAA | Lc 93.9 | Preferred for body text |
| #583647 text on black | 2.03:1 | Fails | Lc -8.7 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E5D3DB
oklch(88.4% 0.023 348.8)
-
Step 300
300
#D6B6C5
oklch(80.8% 0.042 348.1)
-
Step 400
400
#C090A7
oklch(70.6% 0.065 348.6)
-
Step 500
500
#B07492
oklch(63.1% 0.085 348.4)
-
Step 600
600
#9B5C7C
oklch(55.6% 0.092 348.7)
-
Step 700
700
#844C69
oklch(49.1% 0.085 348.3)
-
Step 800
800
#6B3E55
oklch(42.6% 0.07 348.5)
-
Step 900
900 (this color)
#583647
oklch(38% 0.055 348.6)
-
Step 950
950
#331F29
oklch(26.9% 0.035 348.3)
#583647 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) | #393D48 | 0.058 |
| Deuteranopia (no green cones) | #414246 | 0.053 |
| Tritanopia (no blue cones) | #5D353C | 0.020 |
| Achromatopsia (no color) | #404040 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583647
#583647
oklch(38% 0.055 348.6)
- #214C3D
#214C3D
oklch(38.1% 0.055 168.1)
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 #583647, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.061
- Onyx #343A40 ΔE 0.068
- Brownish Purple #76424E ΔE 0.071
- Grape Purple #5D1451 ΔE 0.084
- Dark Grey Blue #29465B ΔE 0.085
- Charcoal #264653 ΔE 0.087
- Gunmetal #293241 ΔE 0.089
Use #583647 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.