#583D43
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.039 4.4), rgb(88, 61, 67).
Aa
White text reads best on this color (9.70:1).
About this color
#583D43 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.039 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 9.70:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #583D43 |
| RGB | rgb(88, 61, 67) |
| HSL | hsl(347, 18%, 29%) |
| OKLCH | oklch(39.2% 0.039 4.4) |
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 #583D43 | 9.70:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #583D43 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #583D43 text on white | 9.70:1 | AAA | Lc 92.4 | Preferred for body text |
| #583D43 text on black | 2.16:1 | Fails | Lc -10.0 | 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
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E3D5D8
oklch(88.5% 0.016 2.7)
-
Step 300
300
#D2B9BE
oklch(80.8% 0.029 4.1)
-
Step 400
400
#BB959D
oklch(70.7% 0.047 4.2)
-
Step 500
500
#A97B85
oklch(63.1% 0.059 4.5)
-
Step 600
600
#94636F
oklch(55.5% 0.065 3.4)
-
Step 700
700
#7E525C
oklch(49% 0.06 4.7)
-
Step 800
800
#67434C
oklch(42.7% 0.051 3.1)
-
Step 900
900 (this color)
#583D43
oklch(39.2% 0.039 4.4)
-
Step 950
950
#312125
oklch(26.9% 0.026 2.4)
#583D43 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) | #414143 | 0.042 |
| Deuteranopia (no green cones) | #474642 | 0.040 |
| Tritanopia (no blue cones) | #5D3B3F | 0.011 |
| Achromatopsia (no color) | #444444 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583D43
#583D43
oklch(39.2% 0.039 4.4)
- #2C4D48
#2C4D48
oklch(39.3% 0.04 183.6)
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 #583D43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.050
- Brownish Purple #76424E ΔE 0.063
- Onyx #343A40 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.077
- Charcoal #264653 ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.079
- Mud Brown #60460F ΔE 0.081
Use #583D43 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.