#642279
Closest named color: Rebecca Purple (#663399). oklch(39.3% 0.149 316.8), rgb(100, 34, 121).
Aa
White text reads best on this color (10.26:1).
About this color
#642279 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.149 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.061 away. White text reads best on it, at 10.26:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #642279 |
| RGB | rgb(100, 34, 121) |
| HSL | hsl(286, 56%, 30%) |
| OKLCH | oklch(39.3% 0.149 316.8) |
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 #642279 | 10.26:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #642279 | 2.04:1 | Fails | Lc 10.9 | Not readable |
| #642279 text on white | 10.26:1 | AAA | Lc 93.0 | Preferred for body text |
| #642279 text on black | 2.04:1 | Fails | Lc -9.4 | 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
#F3E4F9
oklch(93.7% 0.032 316.4)
-
Step 200
200
#EACDF5
oklch(88.5% 0.062 316.7)
-
Step 300
300
#DEAAF1
oklch(80.9% 0.112 316.8)
-
Step 400
400
#CC79E9
oklch(70.8% 0.177 316.8)
-
Step 500
500
#BE4EE2
oklch(63.1% 0.228 316.9)
-
Step 600
600
#A925D0
oklch(55.6% 0.247 316.6)
-
Step 700
700
#9111B4
oklch(49.1% 0.23 316.7)
-
Step 800
800
#761692
oklch(42.7% 0.191 316.7)
-
Step 900
900 (this color)
#642279
oklch(39.3% 0.149 316.8)
-
Step 950
950
#381344
oklch(27% 0.094 316.9)
#642279 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) | #003D7C | 0.143 |
| Deuteranopia (no green cones) | #234377 | 0.126 |
| Tritanopia (no blue cones) | #63334B | 0.094 |
| Achromatopsia (no color) | #414141 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642279
#642279
oklch(39.3% 0.149 316.8)
- #225300
#225300
oklch(39.2% 0.119 136.9)
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 #642279, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.061
- Purple #800080 ΔE 0.063
- Rich Purple #720058 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.072
- Indigo #4B0082 ΔE 0.076
- Royal Purple #4B006E ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.079
- Velvet #750851 ΔE 0.080
Use #642279 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.