#683A9E
Closest named color: Rebecca Purple (#663399). oklch(45.6% 0.157 301.6), rgb(104, 58, 158).
Aa
White text reads best on this color (7.81:1).
About this color
#683A9E is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.157 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.017 away. White text reads best on it, at 7.81:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #683A9E |
| RGB | rgb(104, 58, 158) |
| HSL | hsl(268, 46%, 42%) |
| OKLCH | oklch(45.6% 0.157 301.6) |
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 #683A9E | 7.81:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #683A9E | 2.68:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #683A9E text on white | 7.81:1 | AAA | Lc 86.7 | Fine for body text |
| #683A9E text on black | 2.68:1 | Fails | Lc -15.4 | 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 800.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F3
oklch(80.9% 0.092 301.5)
-
Step 400
400
#B189EC
oklch(70.7% 0.145 301.4)
-
Step 500
500
#9F67E6
oklch(63.1% 0.187 301.6)
-
Step 600
600
#8B4AD4
oklch(55.6% 0.203 301.7)
-
Step 700
700
#763AB8
oklch(49.2% 0.189 301.6)
-
Step 800
800 (this color)
#683A9E
oklch(45.6% 0.157 301.6)
-
Step 900
900
#4E2D76
oklch(37.7% 0.121 301.7)
-
Step 950
950
#2E1B45
oklch(27% 0.077 302.4)
#683A9E 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) | #0051A1 | 0.121 |
| Deuteranopia (no green cones) | #18529C | 0.114 |
| Tritanopia (no blue cones) | #5D4F66 | 0.117 |
| Achromatopsia (no color) | #525252 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683A9E
#683A9E
oklch(45.6% 0.157 301.6)
- #4D6000
#4D6000
oklch(45.7% 0.111 122.1)
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 #683A9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.017
- Blueberry #464196 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.068
- Grape #7209B7 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.075
- Twilight #4E518B ΔE 0.078
- Blurple #5539CC ΔE 0.082
Use #683A9E 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.