#583138
Closest named color: Purple Brown (#673A3F). oklch(36.4% 0.057 8.7), rgb(88, 49, 56).
Aa
White text reads best on this color (10.98:1).
About this color
#583138 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.057 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 10.98:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #583138 |
| RGB | rgb(88, 49, 56) |
| HSL | hsl(349, 28%, 27%) |
| OKLCH | oklch(36.4% 0.057 8.7) |
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 #583138 | 10.98:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #583138 | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #583138 text on white | 10.98:1 | AAA | Lc 95.2 | Preferred for body text |
| #583138 text on black | 1.91:1 | Fails | Lc -7.4 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E7E8
oklch(93.7% 0.012 11)
-
Step 200
200
#E8D3D6
oklch(88.5% 0.024 7.8)
-
Step 300
300
#DBB6BB
oklch(81% 0.043 8.9)
-
Step 400
400
#C78F98
oklch(70.7% 0.069 8.3)
-
Step 500
500
#B7737E
oklch(63.1% 0.087 9.3)
-
Step 600
600
#A25A68
oklch(55.5% 0.095 8.2)
-
Step 700
700
#8B4A56
oklch(49.1% 0.089 9.1)
-
Step 800
800
#713D47
oklch(42.7% 0.074 8.3)
-
Step 900
900 (this color)
#583138
oklch(36.4% 0.057 8.7)
-
Step 950
950
#361F23
oklch(27.1% 0.036 8.4)
#583138 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) | #383838 | 0.062 |
| Deuteranopia (no green cones) | #413F37 | 0.058 |
| Tritanopia (no blue cones) | #5E2D33 | 0.015 |
| Achromatopsia (no color) | #3C3C3C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583138
#583138
oklch(36.4% 0.057 8.7)
- #0E4844
#0E4844
oklch(36.5% 0.057 188.1)
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 #583138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.064
- Onyx #343A40 ΔE 0.068
- Chestnut #742802 ΔE 0.077
- Reddy Brown #6E1005 ΔE 0.080
- Brownish Purple #76424E ΔE 0.083
- Claret #680018 ΔE 0.084
- Burgundy #610023 ΔE 0.085
Use #583138 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.