#684C9A
Closest named color: Twilight (#4E518B). oklch(48.3% 0.123 298.2), rgb(104, 76, 154).
Aa
White text reads best on this color (6.79:1).
About this color
#684C9A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.123 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.051 away. White text reads best on it, at 6.79:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.08:1 |
| White text | 6.79:1 |
Values
| HEX | #684C9A |
| RGB | rgb(104, 76, 154) |
| HSL | hsl(262, 34%, 45%) |
| OKLCH | oklch(48.3% 0.123 298.2) |
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 #684C9A | 6.79:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #684C9A | 3.08:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #684C9A text on white | 6.79:1 | AA | Lc 83.3 | Fine for body text |
| #684C9A text on black | 3.08:1 | AA large text | Lc -18.7 | 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
#DBD5ED
oklch(88.5% 0.033 297.2)
-
Step 300
300
#C5B9E3
oklch(80.9% 0.06 298.1)
-
Step 400
400
#A894D5
oklch(70.8% 0.095 298.1)
-
Step 500
500
#9378C9
oklch(63.1% 0.122 298.2)
-
Step 600
600
#7E5FB6
oklch(55.6% 0.133 298.4)
-
Step 700
700 (this color)
#684C9A
oklch(48.3% 0.123 298.2)
-
Step 800
800
#57417F
oklch(42.8% 0.102 298.4)
-
Step 900
900
#473766
oklch(37.7% 0.08 298.2)
-
Step 950
950
#2A213C
oklch(27.2% 0.05 298.4)
#684C9A 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) | #315B9D | 0.081 |
| Deuteranopia (no green cones) | #385A98 | 0.075 |
| Tritanopia (no blue cones) | #5D5B6C | 0.097 |
| Achromatopsia (no color) | #5B5B5B | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684C9A
#684C9A
oklch(48.3% 0.123 298.2)
- #596600
#596600
oklch(48.2% 0.112 118.1)
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 #684C9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.051
- Rebecca Purple #663399 ΔE 0.058
- Dusk #4E5481 ΔE 0.065
- Blueberry #464196 ΔE 0.067
- Light Eggplant #894585 ΔE 0.069
- Iris #6258C4 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.070
- Muted Purple #805B87 ΔE 0.073
Use #684C9A 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.