#583F4B
Closest named color: Purple Brown (#673A3F). oklch(40% 0.039 348.7), rgb(88, 63, 75).
Aa
White text reads best on this color (9.42:1).
About this color
#583F4B is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 9.42:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #583F4B |
| RGB | rgb(88, 63, 75) |
| HSL | hsl(331, 17%, 30%) |
| OKLCH | oklch(40% 0.039 348.7) |
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 #583F4B | 9.42:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #583F4B | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #583F4B text on white | 9.42:1 | AAA | Lc 91.8 | Preferred for body text |
| #583F4B text on black | 2.22:1 | Fails | Lc -10.6 | 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
#EFE8EB
oklch(93.7% 0.009 349.3)
-
Step 200
200
#E2D5DB
oklch(88.5% 0.016 347.7)
-
Step 300
300
#D0B9C4
oklch(80.8% 0.03 347.3)
-
Step 400
400
#B895A5
oklch(70.7% 0.047 349.2)
-
Step 500
500
#A67B8F
oklch(63.1% 0.06 349.4)
-
Step 600
600
#91647A
oklch(55.7% 0.065 348.6)
-
Step 700
700
#7B5266
oklch(49% 0.061 348.9)
-
Step 800
800
#644453
oklch(42.7% 0.049 349.7)
-
Step 900
900 (this color)
#583F4B
oklch(40% 0.039 348.7)
-
Step 950
950
#302228
oklch(27.1% 0.024 351.3)
#583F4B 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) | #41444B | 0.042 |
| Deuteranopia (no green cones) | #47484A | 0.039 |
| Tritanopia (no blue cones) | #5C3F43 | 0.015 |
| Achromatopsia (no color) | #464646 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F4B
#583F4B
oklch(40% 0.039 348.7)
- #324F44
#324F44
oklch(40.1% 0.04 168.5)
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 #583F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.053
- Brownish Purple #76424E ΔE 0.059
- Onyx #343A40 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.075
- Dark Slate Gray #2F4F4F ΔE 0.075
- Charcoal #264653 ΔE 0.077
- Dusty Grape #545775 ΔE 0.084
Use #583F4B 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.