#665D8D
Closest named color: Muted Purple (#805B87). oklch(50.7% 0.076 292.1), rgb(102, 93, 141).
Aa
White text reads best on this color (5.97:1).
About this color
#665D8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.076 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Purple (#805B87), ΔE 0.044 away. White text reads best on it, at 5.97:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #665D8D |
| RGB | rgb(102, 93, 141) |
| HSL | hsl(251, 21%, 46%) |
| OKLCH | oklch(50.7% 0.076 292.1) |
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 #665D8D | 5.97:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #665D8D | 3.51:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #665D8D text on white | 5.97:1 | AA | Lc 79.8 | Fine for body text |
| #665D8D text on black | 3.51:1 | AA large text | Lc -22.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F1
oklch(93.7% 0.011 291.9)
-
Step 200
200
#D9D7E6
oklch(88.5% 0.021 292.1)
-
Step 300
300
#C1BDD7
oklch(81% 0.036 292.6)
-
Step 400
400
#A19AC3
oklch(70.6% 0.06 292.6)
-
Step 500
500
#8A81B3
oklch(63% 0.075 292.4)
-
Step 600
600
#746A9F
oklch(55.5% 0.082 292.2)
-
Step 700
700 (this color)
#665D8D
oklch(50.7% 0.076 292.1)
-
Step 800
800
#50496F
oklch(42.9% 0.062 292)
-
Step 900
900
#423D5A
oklch(37.8% 0.049 291.8)
-
Step 950
950
#272434
oklch(27.1% 0.03 292.9)
#665D8D 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) | #50648F | 0.035 |
| Deuteranopia (no green cones) | #51638C | 0.034 |
| Tritanopia (no blue cones) | #5E656E | 0.063 |
| Achromatopsia (no color) | #636363 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665D8D
#665D8D
oklch(50.7% 0.076 292.1)
- #666A34
#666A34
oklch(50.8% 0.076 112.6)
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 #665D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Purple #805B87 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.045
- Dusty Purple #825F87 ΔE 0.049
- Dusk #4E5481 ΔE 0.050
- Dusty Grape #545775 ΔE 0.050
- Twilight #4E518B ΔE 0.053
- Dull Purple #84597E ΔE 0.054
- Denim #3B638C ΔE 0.059
Use #665D8D 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.