#642277
Closest named color: Rebecca Purple (#663399). oklch(39.2% 0.147 317.7), rgb(100, 34, 119).
Aa
White text reads best on this color (10.30:1).
About this color
#642277 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.147 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 0.063 away. White text reads best on it, at 10.30:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.03:1 |
| White text | 10.30:1 |
Values
| HEX | #642277 |
| RGB | rgb(100, 34, 119) |
| HSL | hsl(287, 56%, 30%) |
| OKLCH | oklch(39.2% 0.147 317.7) |
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 #642277 | 10.30:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #642277 | 2.03:1 | Fails | Lc 10.8 | Not readable |
| #642277 text on white | 10.30:1 | AAA | Lc 93.2 | Preferred for body text |
| #642277 text on black | 2.03:1 | Fails | Lc -9.3 | 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
#DEAAEF
oklch(80.9% 0.11 317.7)
-
Step 400
400
#CD79E7
oklch(70.8% 0.176 317.8)
-
Step 500
500
#BF4FDF
oklch(63.2% 0.224 318)
-
Step 600
600
#AA26CD
oklch(55.6% 0.244 317.7)
-
Step 700
700
#9213B1
oklch(49.1% 0.227 317.9)
-
Step 800
800
#761790
oklch(42.7% 0.188 317.4)
-
Step 900
900 (this color)
#642277
oklch(39.2% 0.147 317.7)
-
Step 950
950
#381343
oklch(26.9% 0.093 317.7)
#642277 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) | #003C79 | 0.144 |
| Deuteranopia (no green cones) | #254275 | 0.124 |
| Tritanopia (no blue cones) | #63324A | 0.092 |
| Achromatopsia (no color) | #404040 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642277
#642277
oklch(39.2% 0.147 317.7)
- #1F5300
#1F5300
oklch(39.1% 0.12 137.7)
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 #642277, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.063
- Purple #800080 ΔE 0.064
- Rich Purple #720058 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.068
- Indigo #4B0082 ΔE 0.077
- Velvet #750851 ΔE 0.077
- Royal Purple #4B006E ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.080
Use #642277 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.