#583F48
Closest named color: Purple Brown (#673A3F). oklch(39.8% 0.037 355.5), rgb(88, 63, 72).
Aa
White text reads best on this color (9.46:1).
About this color
#583F48 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.037 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.031 away. White text reads best on it, at 9.46:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #583F48 |
| RGB | rgb(88, 63, 72) |
| HSL | hsl(338, 17%, 30%) |
| OKLCH | oklch(39.8% 0.037 355.5) |
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 #583F48 | 9.46:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #583F48 | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #583F48 text on white | 9.46:1 | AAA | Lc 91.8 | Preferred for body text |
| #583F48 text on black | 2.21:1 | Fails | Lc -10.5 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8EA
oklch(93.7% 0.008 357.8)
-
Step 200
200
#E2D5D9
oklch(88.5% 0.015 356.7)
-
Step 300
300
#D0BAC1
oklch(81% 0.027 356.5)
-
Step 400
400
#B895A2
oklch(70.6% 0.045 354.1)
-
Step 500
500
#A67B8B
oklch(63% 0.058 354.7)
-
Step 600
600
#916475
oklch(55.6% 0.062 354.9)
-
Step 700
700
#7B5362
oklch(49.1% 0.057 355.2)
-
Step 800
800
#644450
oklch(42.6% 0.047 355.1)
-
Step 900
900 (this color)
#583F48
oklch(39.8% 0.037 355.5)
-
Step 950
950
#302227
oklch(27.1% 0.023 355.5)
#583F48 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) | #424348 | 0.039 |
| Deuteranopia (no green cones) | #474747 | 0.037 |
| Tritanopia (no blue cones) | #5C3E42 | 0.012 |
| Achromatopsia (no color) | #464646 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583F48
#583F48
oklch(39.8% 0.037 355.5)
- #314E46
#314E46
oklch(39.8% 0.037 175.1)
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 #583F48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Charcoal Grey #3C4142 ΔE 0.051
- Brownish Purple #76424E ΔE 0.060
- Onyx #343A40 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.076
- Charcoal #264653 ΔE 0.077
- Mud Brown #60460F ΔE 0.084
Use #583F48 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.