#684AAA
Closest named color: Iris (#6258C4). oklch(49% 0.148 294.8), rgb(104, 74, 170).
Aa
White text reads best on this color (6.66:1).
About this color
#684AAA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.148 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.050 away. White text reads best on it, at 6.66:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.14:1 |
| White text | 6.66:1 |
Values
| HEX | #684AAA |
| RGB | rgb(104, 74, 170) |
| HSL | hsl(259, 39%, 48%) |
| OKLCH | oklch(49% 0.148 294.8) |
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 #684AAA | 6.66:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #684AAA | 3.14:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #684AAA text on white | 6.66:1 | AA | Lc 82.6 | Fine for body text |
| #684AAA text on black | 3.14:1 | AA large text | Lc -19.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A592E1
oklch(70.7% 0.115 294.3)
-
Step 500
500
#9075D8
oklch(63.1% 0.146 294.4)
-
Step 600
600
#7B5BC5
oklch(55.5% 0.159 294.6)
-
Step 700
700 (this color)
#684AAA
oklch(49% 0.148 294.8)
-
Step 800
800
#553E8A
oklch(42.8% 0.122 294.7)
-
Step 900
900
#46356E
oklch(37.7% 0.095 295.2)
-
Step 950
950
#292041
oklch(27.2% 0.06 294.6)
#684AAA 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) | #1B5DAD | 0.097 |
| Deuteranopia (no green cones) | #255BA8 | 0.091 |
| Tritanopia (no blue cones) | #585E73 | 0.117 |
| Achromatopsia (no color) | #5C5C5C | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684AAA
#684AAA
oklch(49% 0.148 294.8)
- #5F6700
#5F6700
oklch(49% 0.111 115)
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 #684AAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.052
- Rebecca Purple #663399 ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Twilight #4E518B ΔE 0.069
- Blueberry #464196 ΔE 0.071
Use #684AAA 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.