#5B3345
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.063 352.1), rgb(91, 51, 69).
Aa
White text reads best on this color (10.47:1).
About this color
#5B3345 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.063 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 10.47:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.00:1 |
| White text | 10.47:1 |
Values
| HEX | #5B3345 |
| RGB | rgb(91, 51, 69) |
| HSL | hsl(333, 28%, 28%) |
| OKLCH | oklch(37.7% 0.063 352.1) |
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 #5B3345 | 10.47:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #5B3345 | 2.00:1 | Fails | Lc 9.8 | Not readable |
| #5B3345 text on white | 10.47:1 | AAA | Lc 94.1 | Preferred for body text |
| #5B3345 text on black | 2.00:1 | Fails | Lc -8.4 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E8D2DB
oklch(88.4% 0.027 350.9)
-
Step 300
300
#DAB5C4
oklch(81% 0.047 351.9)
-
Step 400
400
#C68DA5
oklch(70.6% 0.076 352.2)
-
Step 500
500
#B6708F
oklch(63% 0.097 352.1)
-
Step 600
600
#A1587A
oklch(55.6% 0.104 351.7)
-
Step 700
700
#8A4866
oklch(49.2% 0.097 352.6)
-
Step 800
800
#703B53
oklch(42.6% 0.081 352.5)
-
Step 900
900 (this color)
#5B3345
oklch(37.7% 0.063 352.1)
-
Step 950
950
#351E28
oklch(26.9% 0.039 352.4)
#5B3345 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) | #373B46 | 0.068 |
| Deuteranopia (no green cones) | #414244 | 0.063 |
| Tritanopia (no blue cones) | #603239 | 0.022 |
| Achromatopsia (no color) | #3F3F3F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3345
#5B3345
oklch(37.7% 0.063 352.1)
- #144C3E
#144C3E
oklch(37.6% 0.062 172.8)
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 #5B3345, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.069
- Brownish Purple #76424E ΔE 0.071
- Onyx #343A40 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.078
- Merlot #730039 ΔE 0.086
- Chestnut #742802 ΔE 0.089
- Velvet #750851 ΔE 0.090
Use #5B3345 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.