#6653A0
Closest named color: Twilight (#4E518B). oklch(49.8% 0.12 292.9), rgb(102, 83, 160).
Aa
White text reads best on this color (6.34:1).
About this color
#6653A0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.120 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.052 away. White text reads best on it, at 6.34:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #6653A0 |
| RGB | rgb(102, 83, 160) |
| HSL | hsl(255, 32%, 48%) |
| OKLCH | oklch(49.8% 0.12 292.9) |
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 #6653A0 | 6.34:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #6653A0 | 3.30:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #6653A0 text on white | 6.34:1 | AA | Lc 81.4 | Fine for body text |
| #6653A0 text on black | 3.30:1 | AA large text | Lc -20.5 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#D9D6ED
oklch(88.5% 0.031 291.7)
-
Step 300
300
#C1BAE4
oklch(80.8% 0.059 292.7)
-
Step 400
400
#A296D6
oklch(70.7% 0.093 292.5)
-
Step 500
500
#8C7BCB
oklch(63.2% 0.119 292.4)
-
Step 600
600
#7762B7
oklch(55.5% 0.129 293.1)
-
Step 700
700 (this color)
#6653A0
oklch(49.8% 0.12 292.9)
-
Step 800
800
#524380
oklch(42.8% 0.099 293.1)
-
Step 900
900
#433967
oklch(37.7% 0.077 292.3)
-
Step 950
950
#27223C
oklch(27.1% 0.048 291.7)
#6653A0 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) | #3860A3 | 0.067 |
| Deuteranopia (no green cones) | #3B5E9E | 0.064 |
| Tritanopia (no blue cones) | #586272 | 0.097 |
| Achromatopsia (no color) | #5F5F5F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6653A0
#6653A0
oklch(49.8% 0.12 292.9)
- #646800
#646800
oklch(49.7% 0.11 112.4)
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 #6653A0, closest first.
No curated palette has a color within ΔE 0.04 of #6653A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.052
- Iris #6258C4 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.059
- Dusk #4E5481 ΔE 0.065
- Muted Purple #805B87 ΔE 0.068
- Denim Blue #3B5B92 ΔE 0.069
- Slate Blue #6A5ACD ΔE 0.071
- French Blue #436BAD ΔE 0.074
Use #6653A0 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.