#5B1F3F
Closest named color: Grape Purple (#5D1451). oklch(34.2% 0.096 350.3), rgb(91, 31, 63).
Aa
White text reads best on this color (12.26:1).
About this color
#5B1F3F is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.096 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.042 away. White text reads best on it, at 12.26:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #5B1F3F |
| RGB | rgb(91, 31, 63) |
| HSL | hsl(328, 49%, 24%) |
| OKLCH | oklch(34.2% 0.096 350.3) |
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 #5B1F3F | 12.26:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #5B1F3F | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #5B1F3F text on white | 12.26:1 | AAA | Lc 97.4 | Preferred for body text |
| #5B1F3F text on black | 1.71:1 | Fails | Lc 0.0 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#EFCFDD
oklch(88.5% 0.04 349.7)
-
Step 300
300
#E6AEC7
oklch(80.9% 0.073 350.3)
-
Step 400
400
#D682AA
oklch(70.7% 0.114 350.4)
-
Step 500
500
#C95F95
oklch(63% 0.148 350.4)
-
Step 600
600
#B44380
oklch(55.6% 0.16 350.1)
-
Step 700
700
#9B346C
oklch(49.1% 0.149 350.4)
-
Step 800
800
#7E2C58
oklch(42.7% 0.124 350.3)
-
Step 900
900 (this color)
#5B1F3F
oklch(34.2% 0.096 350.3)
-
Step 950
950
#3C192A
oklch(27.1% 0.06 351.4)
#5B1F3F 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) | #272E40 | 0.105 |
| Deuteranopia (no green cones) | #38393E | 0.094 |
| Tritanopia (no blue cones) | #621C2C | 0.035 |
| Achromatopsia (no color) | #353535 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1F3F
#5B1F3F
oklch(34.2% 0.096 350.3)
- #004333
#004333
oklch(34.1% 0.067 170.5)
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 #5B1F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.042
- Burgundy #610023 ΔE 0.055
- Merlot #730039 ΔE 0.057
- Claret #680018 ΔE 0.067
- Velvet #750851 ΔE 0.067
- Plum Purple #4E0550 ΔE 0.071
- Deep Violet #490648 ΔE 0.072
- Rich Purple #720058 ΔE 0.074
Use #5B1F3F 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.