#665F88
Closest named color: Muted Purple (#805B87). oklch(50.8% 0.065 291.8), rgb(102, 95, 136).
Aa
White text reads best on this color (5.90:1).
About this color
#665F88 is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.065 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 0.043 away. White text reads best on it, at 5.90:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #665F88 |
| RGB | rgb(102, 95, 136) |
| HSL | hsl(250, 18%, 45%) |
| OKLCH | oklch(50.8% 0.065 291.8) |
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 #665F88 | 5.90:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #665F88 | 3.55:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #665F88 text on white | 5.90:1 | AA | Lc 79.5 | Fine for body text |
| #665F88 text on black | 3.55:1 | AA large text | Lc -22.3 | 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
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E4
oklch(88.5% 0.018 293.1)
-
Step 300
300
#C0BDD4
oklch(80.8% 0.032 291.7)
-
Step 400
400
#A19BBE
oklch(70.6% 0.051 292.9)
-
Step 500
500
#8A83AE
oklch(63.2% 0.064 291.9)
-
Step 600
600
#746C99
oklch(55.6% 0.069 292.1)
-
Step 700
700 (this color)
#665F88
oklch(50.8% 0.065 291.8)
-
Step 800
800
#4F4A6A
oklch(42.7% 0.053 291.2)
-
Step 900
900
#423E56
oklch(37.8% 0.041 292)
-
Step 950
950
#262432
oklch(26.9% 0.026 291.1)
#665F88 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) | #55658A | 0.028 |
| Deuteranopia (no green cones) | #556387 | 0.027 |
| Tritanopia (no blue cones) | #5F666E | 0.054 |
| Achromatopsia (no color) | #646464 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665F88
#665F88
oklch(50.8% 0.065 291.8)
- #66693D
#66693D
oklch(50.7% 0.064 111.8)
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 #665F88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Purple #805B87 ΔE 0.043
- Dusty Purple #825F87 ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.047
- Dusk #4E5481 ΔE 0.052
- Dull Purple #84597E ΔE 0.052
- Slate #516572 ΔE 0.055
- Denim #3B638C ΔE 0.057
Use #665F88 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.