#684AAD
Closest named color: Iris (#6258C4). oklch(49.2% 0.152 294.1), rgb(104, 74, 173).
Aa
White text reads best on this color (6.62:1).
About this color
#684AAD is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.152 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.047 away. White text reads best on it, at 6.62:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #684AAD |
| RGB | rgb(104, 74, 173) |
| HSL | hsl(258, 40%, 48%) |
| OKLCH | oklch(49.2% 0.152 294.1) |
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 #684AAD | 6.62:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #684AAD | 3.17:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #684AAD text on white | 6.62:1 | AA | Lc 82.4 | Fine for body text |
| #684AAD text on black | 3.17:1 | AA large text | Lc -19.5 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F2
oklch(88.4% 0.041 294.7)
-
Step 300
300
#C3B8EC
oklch(80.9% 0.073 294.4)
-
Step 400
400
#A592E3
oklch(70.8% 0.117 294)
-
Step 500
500
#9074DA
oklch(63% 0.15 294.3)
-
Step 600
600
#7B5BC8
oklch(55.7% 0.163 294)
-
Step 700
700 (this color)
#684AAD
oklch(49.2% 0.152 294.1)
-
Step 800
800
#543D8C
oklch(42.7% 0.126 293.8)
-
Step 900
900
#453570
oklch(37.7% 0.098 293.6)
-
Step 950
950
#281F41
oklch(26.8% 0.062 294)
#684AAD 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) | #155EB0 | 0.100 |
| Deuteranopia (no green cones) | #205BAB | 0.094 |
| Tritanopia (no blue cones) | #565F74 | 0.121 |
| Achromatopsia (no color) | #5D5D5D | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684AAD
#684AAD
oklch(49.2% 0.152 294.1)
- #616700
#616700
oklch(49.2% 0.11 113.7)
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 #684AAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.048
- Rebecca Purple #663399 ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.071
- Blurple #5539CC ΔE 0.072
Use #684AAD 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.