#684AAF
Closest named color: Iris (#6258C4). oklch(49.3% 0.154 293.7), rgb(104, 74, 175).
Aa
White text reads best on this color (6.58:1).
About this color
#684AAF is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.154 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.045 away. White text reads best on it, at 6.58:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #684AAF |
| RGB | rgb(104, 74, 175) |
| HSL | hsl(258, 41%, 49%) |
| OKLCH | oklch(49.3% 0.154 293.7) |
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 #684AAF | 6.58:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #684AAF | 3.18:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #684AAF text on white | 6.58:1 | AA | Lc 82.3 | Fine for body text |
| #684AAF text on black | 3.18:1 | AA large text | Lc -19.6 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F3
oklch(88.4% 0.043 294.4)
-
Step 300
300
#C2B8ED
oklch(80.9% 0.075 293.3)
-
Step 400
400
#A491E4
oklch(70.6% 0.12 293.6)
-
Step 500
500
#8F74DC
oklch(63.1% 0.153 293.5)
-
Step 600
600
#7A5AC9
oklch(55.5% 0.166 293.6)
-
Step 700
700 (this color)
#684AAF
oklch(49.3% 0.154 293.7)
-
Step 800
800
#543D8D
oklch(42.7% 0.127 293.5)
-
Step 900
900
#453571
oklch(37.8% 0.1 293.3)
-
Step 950
950
#281F42
oklch(26.9% 0.064 293.5)
#684AAF 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) | #105EB2 | 0.101 |
| Deuteranopia (no green cones) | #1D5BAD | 0.095 |
| Tritanopia (no blue cones) | #556075 | 0.124 |
| Achromatopsia (no color) | #5D5D5D | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684AAF
#684AAF
oklch(49.3% 0.154 293.7)
- #626700
#626700
oklch(49.3% 0.11 113.1)
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 #684AAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.058
- Rebecca Purple #663399 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.069
- Blurple #5539CC ΔE 0.069
Use #684AAF 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.