#644894
Closest named color: Twilight (#4E518B). oklch(46.8% 0.121 298.6), rgb(100, 72, 148).
Aa
White text reads best on this color (7.25:1).
About this color
#644894 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.121 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 7.25:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #644894 |
| RGB | rgb(100, 72, 148) |
| HSL | hsl(262, 35%, 43%) |
| OKLCH | oklch(46.8% 0.121 298.6) |
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 #644894 | 7.25:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #644894 | 2.89:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #644894 text on white | 7.25:1 | AAA | Lc 85.0 | Fine for body text |
| #644894 text on black | 2.89:1 | Fails | Lc -17.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5EC
oklch(88.5% 0.032 297.7)
-
Step 300
300
#C5B9E2
oklch(80.9% 0.058 298.5)
-
Step 400
400
#A894D3
oklch(70.7% 0.093 298.6)
-
Step 500
500
#9378C8
oklch(63.1% 0.12 298.4)
-
Step 600
600
#7E60B4
oklch(55.6% 0.129 298.6)
-
Step 700
700 (this color)
#644894
oklch(46.8% 0.121 298.6)
-
Step 800
800
#57417E
oklch(42.8% 0.1 298.7)
-
Step 900
900
#473765
oklch(37.6% 0.078 298.6)
-
Step 950
950
#2A213B
oklch(27.1% 0.048 299.1)
#644894 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) | #2E5797 | 0.080 |
| Deuteranopia (no green cones) | #355692 | 0.074 |
| Tritanopia (no blue cones) | #5A5667 | 0.094 |
| Achromatopsia (no color) | #575757 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644894
#644894
oklch(46.8% 0.121 298.6)
- #546200
#546200
oklch(46.8% 0.11 119)
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 #644894, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.045
- Rebecca Purple #663399 ΔE 0.049
- Blueberry #464196 ΔE 0.056
- Dusk #4E5481 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.060
- Dusky Blue #475F94 ΔE 0.072
- Light Eggplant #894585 ΔE 0.073
- Denim Blue #3B5B92 ΔE 0.075
Use #644894 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.