#684CD1
Closest named color: Bluey Purple (#6241C7). oklch(52.2% 0.195 287.3), rgb(104, 76, 209).
Aa
White text reads best on this color (5.92:1).
About this color
#684CD1 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.195 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.030 away. White text reads best on it, at 5.92:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #684CD1 |
| RGB | rgb(104, 76, 209) |
| HSL | hsl(253, 59%, 56%) |
| OKLCH | oklch(52.2% 0.195 287.3) |
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 #684CD1 | 5.92:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #684CD1 | 3.54:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #684CD1 text on white | 5.92:1 | AA | Lc 79.1 | Fine for body text |
| #684CD1 text on black | 3.54:1 | AA large text | Lc -22.7 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D5FB
oklch(88.6% 0.052 286.5)
-
Step 300
300
#BCB8FB
oklch(81% 0.094 286.8)
-
Step 400
400
#9C8FF9
oklch(70.6% 0.152 287.5)
-
Step 500
500
#866FF6
oklch(63.1% 0.194 287.3)
-
Step 600
600
#7253E4
oklch(55.6% 0.209 287.4)
-
Step 700
700 (this color)
#684CD1
oklch(52.2% 0.195 287.3)
-
Step 800
800
#4E37A0
oklch(42.6% 0.162 287.5)
-
Step 900
900
#40327F
oklch(37.7% 0.125 287.2)
-
Step 950
950
#251E4B
oklch(27% 0.08 286.9)
#684CD1 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) | #0067D5 | 0.101 |
| Deuteranopia (no green cones) | #0060CE | 0.098 |
| Tritanopia (no blue cones) | #426C88 | 0.160 |
| Achromatopsia (no color) | #646464 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684CD1
#684CD1
oklch(52.2% 0.195 287.3)
- #716D00
#716D00
oklch(52.1% 0.112 107.2)
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 #684CD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.033
- Light Indigo #6D5ACF ΔE 0.033
- Iris #6258C4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.048
- Burple #6832E3 ΔE 0.052
- Blurple #5539CC ΔE 0.053
Use #684CD1 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.