#641B4D
Closest named color: Grape Purple (#5D1451). oklch(35.9% 0.12 342.9), rgb(100, 27, 77).
Aa
White text reads best on this color (11.62:1).
About this color
#641B4D is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.120 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.024 away. White text reads best on it, at 11.62:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #641B4D |
| RGB | rgb(100, 27, 77) |
| HSL | hsl(319, 57%, 25%) |
| OKLCH | oklch(35.9% 0.12 342.9) |
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 #641B4D | 11.62:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #641B4D | 1.80:1 | Fails | Lc 8.0 | Not readable |
| #641B4D text on white | 11.62:1 | AAA | Lc 95.9 | Preferred for body text |
| #641B4D text on black | 1.80:1 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F7E3EE
oklch(93.5% 0.026 343.3)
-
Step 200
200
#F2CDE2
oklch(88.6% 0.05 343.1)
-
Step 300
300
#EAAAD0
oklch(80.9% 0.089 342.9)
-
Step 400
400
#DD7AB8
oklch(70.8% 0.143 343.1)
-
Step 500
500
#D053A6
oklch(63.1% 0.182 342.9)
-
Step 600
600
#BB3191
oklch(55.5% 0.198 342.9)
-
Step 700
700
#A1217C
oklch(49.1% 0.185 342.7)
-
Step 800
800
#831F65
oklch(42.7% 0.153 342.7)
-
Step 900
900 (this color)
#641B4D
oklch(35.9% 0.12 342.9)
-
Step 950
950
#3E1430
oklch(26.9% 0.076 342.7)
#641B4D 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) | #22314E | 0.131 |
| Deuteranopia (no green cones) | #383D4B | 0.115 |
| Tritanopia (no blue cones) | #6B1B31 | 0.052 |
| Achromatopsia (no color) | #393939 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641B4D
#641B4D
oklch(35.9% 0.12 342.9)
- #004931
#004931
oklch(35.9% 0.077 163.3)
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 #641B4D, closest first.
No curated palette has a color within ΔE 0.04 of #641B4D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.024
- Velvet #750851 ΔE 0.039
- Rich Purple #720058 ΔE 0.043
- Merlot #730039 ΔE 0.048
- Wine #80013F ΔE 0.064
- Red Purple #820747 ΔE 0.065
- Plum Purple #4E0550 ΔE 0.067
- Burgundy #610023 ΔE 0.072
Use #641B4D 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.