#641C76
Closest named color: Purple (#800080). oklch(38.5% 0.153 318.7), rgb(100, 28, 118).
Aa
White text reads best on this color (10.66:1).
About this color
#641C76 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.153 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.062 away. White text reads best on it, at 10.66:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 1.96:1 |
| White text | 10.66:1 |
Values
| HEX | #641C76 |
| RGB | rgb(100, 28, 118) |
| HSL | hsl(288, 62%, 29%) |
| OKLCH | oklch(38.5% 0.153 318.7) |
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 #641C76 | 10.66:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #641C76 | 1.96:1 | Fails | Lc 10.1 | Not readable |
| #641C76 text on white | 10.66:1 | AAA | Lc 93.8 | Preferred for body text |
| #641C76 text on black | 1.96:1 | Fails | Lc -8.7 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F4E3F8
oklch(93.6% 0.033 319.8)
-
Step 200
200
#ECCCF5
oklch(88.5% 0.065 318.8)
-
Step 300
300
#E0A9F0
oklch(80.9% 0.114 318.5)
-
Step 400
400
#D076E8
oklch(70.7% 0.183 318.9)
-
Step 500
500
#C249E1
oklch(63.1% 0.235 318.7)
-
Step 600
600
#AE1ACF
oklch(55.7% 0.255 318.8)
-
Step 700
700
#9500B3
oklch(49.1% 0.237 318.7)
-
Step 800
800
#790E91
oklch(42.7% 0.197 318.7)
-
Step 900
900 (this color)
#641C76
oklch(38.5% 0.153 318.7)
-
Step 950
950
#391144
oklch(26.9% 0.098 318.2)
#641C76 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) | #003A79 | 0.148 |
| Deuteranopia (no green cones) | #214174 | 0.133 |
| Tritanopia (no blue cones) | #642E47 | 0.096 |
| Achromatopsia (no color) | #3E3E3E | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641C76
#641C76
oklch(38.5% 0.153 318.7)
- #1A5100
#1A5100
oklch(38.3% 0.12 138.7)
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 #641C76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.062
- Rich Purple #720058 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.070
- Royal Purple #4B006E ΔE 0.070
- Indigo #4B0082 ΔE 0.072
- Velvet #750851 ΔE 0.075
- Dark Magenta #8B008B ΔE 0.087
Use #641C76 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.