#583741
Closest named color: Purple Brown (#673A3F). oklch(37.9% 0.049 0), rgb(88, 55, 65).
Aa
White text reads best on this color (10.30:1).
About this color
#583741 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 10.30:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.03:1 |
| White text | 10.30:1 |
Values
| HEX | #583741 |
| RGB | rgb(88, 55, 65) |
| HSL | hsl(342, 23%, 28%) |
| OKLCH | oklch(37.9% 0.049 0) |
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 #583741 | 10.30:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #583741 | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #583741 text on white | 10.30:1 | AAA | Lc 93.8 | Preferred for body text |
| #583741 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E9
oklch(93.6% 0.01 2)
-
Step 200
200
#E6D4D8
oklch(88.6% 0.021 2.3)
-
Step 300
300
#D6B7BF
oklch(80.8% 0.037 0.6)
-
Step 400
400
#C0929F
oklch(70.7% 0.058 0)
-
Step 500
500
#B07687
oklch(63.1% 0.076 0.4)
-
Step 600
600
#9B5E71
oklch(55.5% 0.083 0)
-
Step 700
700
#844E5F
oklch(49.2% 0.076 360)
-
Step 800
800
#6B404D
oklch(42.6% 0.062 0.5)
-
Step 900
900 (this color)
#583741
oklch(37.9% 0.049 0)
-
Step 950
950
#332026
oklch(27% 0.031 358.8)
#583741 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) | #3B3D41 | 0.054 |
| Deuteranopia (no green cones) | #434340 | 0.051 |
| Tritanopia (no blue cones) | #5D353A | 0.014 |
| Achromatopsia (no color) | #404040 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583741
#583741
oklch(37.9% 0.049 0)
- #214B43
#214B43
oklch(38% 0.049 179.4)
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 #583741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.056
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.071
- Chestnut #742802 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.086
- Charcoal #264653 ΔE 0.086
- Gunmetal #293241 ΔE 0.089
Use #583741 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.