#684A90
Closest named color: Twilight (#4E518B). oklch(47.3% 0.113 302), rgb(104, 74, 144).
Aa
White text reads best on this color (7.06:1).
About this color
#684A90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.113 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.046 away. White text reads best on it, at 7.06:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #684A90 |
| RGB | rgb(104, 74, 144) |
| HSL | hsl(266, 32%, 43%) |
| OKLCH | oklch(47.3% 0.113 302) |
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 #684A90 | 7.06:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #684A90 | 2.97:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #684A90 text on white | 7.06:1 | AAA | Lc 84.3 | Fine for body text |
| #684A90 text on black | 2.97:1 | Fails | Lc -17.7 | 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
#ECE8F3
oklch(93.7% 0.015 302.5)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C7B9DF
oklch(81% 0.055 302)
-
Step 400
400
#AB94CE
oklch(70.8% 0.087 302.4)
-
Step 500
500
#9678C2
oklch(63% 0.113 301.9)
-
Step 600
600
#8160AE
oklch(55.6% 0.122 302.1)
-
Step 700
700 (this color)
#684A90
oklch(47.3% 0.113 302)
-
Step 800
800
#594179
oklch(42.7% 0.093 302.4)
-
Step 900
900
#493762
oklch(37.6% 0.074 302.3)
-
Step 950
950
#2B2139
oklch(27.1% 0.045 302.6)
#684A90 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) | #355892 | 0.079 |
| Deuteranopia (no green cones) | #3D588E | 0.072 |
| Tritanopia (no blue cones) | #615666 | 0.085 |
| Achromatopsia (no color) | #585858 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684A90
#684A90
oklch(47.3% 0.113 302)
- #516504
#516504
oklch(47.3% 0.113 122.3)
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 #684A90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.046
- Dusk #4E5481 ΔE 0.057
- Rebecca Purple #663399 ΔE 0.058
- Light Eggplant #894585 ΔE 0.063
- Blueberry #464196 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.069
- Muted Purple #805B87 ΔE 0.070
- Dusky Blue #475F94 ΔE 0.071
Use #684A90 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.