#583337
Closest named color: Purple Brown (#673A3F). oklch(36.8% 0.054 13), rgb(88, 51, 55).
Aa
White text reads best on this color (10.80:1).
About this color
#583337 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.054 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 10.80:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #583337 |
| RGB | rgb(88, 51, 55) |
| HSL | hsl(354, 27%, 27%) |
| OKLCH | oklch(36.8% 0.054 13) |
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 #583337 | 10.80:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #583337 | 1.94:1 | Fails | Lc 9.0 | Not readable |
| #583337 text on white | 10.80:1 | AAA | Lc 94.9 | Preferred for body text |
| #583337 text on black | 1.94:1 | Fails | Lc -7.7 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D5
oklch(88.5% 0.023 11)
-
Step 300
300
#D9B7B9
oklch(81% 0.039 14)
-
Step 400
400
#C59095
oklch(70.6% 0.065 12.6)
-
Step 500
500
#B6747B
oklch(63.1% 0.084 12.8)
-
Step 600
600
#A15C64
oklch(55.6% 0.091 13)
-
Step 700
700
#894C53
oklch(49.1% 0.083 13.2)
-
Step 800
800
#703E44
oklch(42.7% 0.07 12.8)
-
Step 900
900 (this color)
#583337
oklch(36.8% 0.054 13)
-
Step 950
950
#351F22
oklch(26.9% 0.035 10.7)
#583337 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) | #3A3937 | 0.058 |
| Deuteranopia (no green cones) | #434036 | 0.054 |
| Tritanopia (no blue cones) | #5E2F34 | 0.015 |
| Achromatopsia (no color) | #3D3D3D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583337
#583337
oklch(36.8% 0.054 13)
- #144847
#144847
oklch(36.8% 0.054 193.2)
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 #583337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.060
- Onyx #343A40 ΔE 0.066
- Chestnut #742802 ΔE 0.075
- Brownish Purple #76424E ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.082
- Claret #680018 ΔE 0.088
- Mud Brown #60460F ΔE 0.088
Use #583337 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.