#645079
Closest named color: Dusty Grape (#545775). oklch(46.8% 0.069 306.2), rgb(100, 80, 121).
Aa
White text reads best on this color (7.08:1).
About this color
#645079 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.069 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 7.08:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #645079 |
| RGB | rgb(100, 80, 121) |
| HSL | hsl(269, 20%, 39%) |
| OKLCH | oklch(46.8% 0.069 306.2) |
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 #645079 | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #645079 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #645079 text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #645079 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DCD6E3
oklch(88.5% 0.019 306.6)
-
Step 300
300
#C6BBD2
oklch(80.8% 0.034 307.1)
-
Step 400
400
#A998BB
oklch(70.6% 0.054 307)
-
Step 500
500
#947FAA
oklch(63.1% 0.068 306.8)
-
Step 600
600
#7E6896
oklch(55.6% 0.074 306)
-
Step 700
700 (this color)
#645079
oklch(46.8% 0.069 306.2)
-
Step 800
800
#574768
oklch(42.8% 0.057 306.3)
-
Step 900
900
#473B54
oklch(37.5% 0.045 306.2)
-
Step 950
950
#2A2331
oklch(27% 0.027 307.3)
#645079 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) | #48587B | 0.047 |
| Deuteranopia (no green cones) | #4C5878 | 0.043 |
| Tritanopia (no blue cones) | #61565F | 0.052 |
| Achromatopsia (no color) | #585858 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645079
#645079
oklch(46.8% 0.069 306.2)
- #506136
#506136
oklch(46.7% 0.068 126.5)
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 #645079, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Dusk #4E5481 ΔE 0.037
- Twilight #4E518B ΔE 0.045
- YInMn Blue #415A77 ΔE 0.058
- Muted Purple #805B87 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.064
- Dull Purple #84597E ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.070
Use #645079 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.