#5B2F40
Closest named color: Purple Brown (#673A3F). oklch(36.8% 0.068 356.4), rgb(91, 47, 64).
Aa
White text reads best on this color (10.90:1).
About this color
#5B2F40 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.068 and its hue 356°. 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 10.90:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #5B2F40 |
| RGB | rgb(91, 47, 64) |
| HSL | hsl(337, 32%, 27%) |
| OKLCH | oklch(36.8% 0.068 356.4) |
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 #5B2F40 | 10.90:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #5B2F40 | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #5B2F40 text on white | 10.90:1 | AAA | Lc 95.0 | Preferred for body text |
| #5B2F40 text on black | 1.92:1 | Fails | Lc -7.6 | 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
#FAF4F5
oklch(97.2% 0.007 5.6)
-
Step 100
100
#F3E6EA
oklch(93.6% 0.015 356.6)
-
Step 200
200
#EAD2D9
oklch(88.6% 0.028 358.1)
-
Step 300
300
#DDB4C1
oklch(81% 0.05 357.3)
-
Step 400
400
#CA8BA2
oklch(70.6% 0.082 355.8)
-
Step 500
500
#BB6E8B
oklch(63.1% 0.103 356.4)
-
Step 600
600
#A65575
oklch(55.6% 0.112 356.4)
-
Step 700
700
#8E4562
oklch(49.1% 0.104 356.5)
-
Step 800
800
#743950
oklch(42.8% 0.087 356.7)
-
Step 900
900 (this color)
#5B2F40
oklch(36.8% 0.068 356.4)
-
Step 950
950
#371D27
oklch(26.9% 0.043 355.8)
#5B2F40 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) | #353841 | 0.073 |
| Deuteranopia (no green cones) | #40403F | 0.068 |
| Tritanopia (no blue cones) | #612D35 | 0.021 |
| Achromatopsia (no color) | #3D3D3D | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2F40
#5B2F40
oklch(36.8% 0.068 356.4)
- #024B3E
#024B3E
oklch(36.9% 0.068 175.9)
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 #5B2F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Grape Purple #5D1451 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.074
- Onyx #343A40 ΔE 0.076
- Merlot #730039 ΔE 0.079
- Brownish Purple #76424E ΔE 0.079
- Burgundy #610023 ΔE 0.082
- Claret #680018 ΔE 0.084
Use #5B2F40 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.