#642477
Closest named color: Rebecca Purple (#663399). oklch(39.4% 0.144 317.6), rgb(100, 36, 119).
Aa
White text reads best on this color (10.19:1).
About this color
#642477 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.144 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.062 away. White text reads best on it, at 10.19:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.06:1 |
| White text | 10.19:1 |
Values
| HEX | #642477 |
| RGB | rgb(100, 36, 119) |
| HSL | hsl(286, 54%, 30%) |
| OKLCH | oklch(39.4% 0.144 317.6) |
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 #642477 | 10.19:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #642477 | 2.06:1 | Fails | Lc 11.0 | Not readable |
| #642477 text on white | 10.19:1 | AAA | Lc 92.9 | Preferred for body text |
| #642477 text on black | 2.06:1 | Fails | Lc -9.5 | 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#EACDF4
oklch(88.5% 0.061 317.4)
-
Step 300
300
#DDABEE
oklch(80.9% 0.107 317.4)
-
Step 400
400
#CC7AE6
oklch(70.8% 0.173 317.6)
-
Step 500
500
#BD51DE
oklch(63.1% 0.22 317.4)
-
Step 600
600
#A92ACC
oklch(55.6% 0.24 317.5)
-
Step 700
700
#9119B0
oklch(49.2% 0.222 317.7)
-
Step 800
800
#761A8F
oklch(42.8% 0.185 317.6)
-
Step 900
900 (this color)
#642477
oklch(39.4% 0.144 317.6)
-
Step 950
950
#381443
oklch(27.1% 0.091 317.5)
#642477 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) | #013D79 | 0.141 |
| Deuteranopia (no green cones) | #274375 | 0.121 |
| Tritanopia (no blue cones) | #63334A | 0.091 |
| Achromatopsia (no color) | #414141 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642477
#642477
oklch(39.4% 0.144 317.6)
- #205400
#205400
oklch(39.5% 0.121 137.6)
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 #642477, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.062
- Purple #800080 ΔE 0.065
- Rich Purple #720058 ΔE 0.069
- Grape Purple #5D1451 ΔE 0.069
- Velvet #750851 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.078
- Indigo #4B0082 ΔE 0.079
- Royal Purple #4B006E ΔE 0.080
Use #642477 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.