#665E77
Closest named color: Dusty Grape (#545775). oklch(49.9% 0.04 299.6), rgb(102, 94, 119).
Aa
White text reads best on this color (6.11:1).
About this color
#665E77 is a medium-dark, muted purple. In OKLCH its lightness is 50%, its chroma 0.040 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.037 away. White text reads best on it, at 6.11:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #665E77 |
| RGB | rgb(102, 94, 119) |
| HSL | hsl(259, 12%, 42%) |
| OKLCH | oklch(49.9% 0.04 299.6) |
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 #665E77 | 6.11:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #665E77 | 3.43:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #665E77 text on white | 6.11:1 | AA | Lc 80.6 | Fine for body text |
| #665E77 text on black | 3.43:1 | AA large text | Lc -21.3 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD8DF
oklch(88.6% 0.01 299.2)
-
Step 300
300
#C2BECC
oklch(80.9% 0.02 299)
-
Step 400
400
#A39DB2
oklch(70.8% 0.031 298.7)
-
Step 500
500
#8D849F
oklch(63.1% 0.041 300.4)
-
Step 600
600
#776E8A
oklch(55.7% 0.044 299.7)
-
Step 700
700 (this color)
#665E77
oklch(49.9% 0.04 299.6)
-
Step 800
800
#514B5F
oklch(42.6% 0.033 298.7)
-
Step 900
900
#433F4E
oklch(37.8% 0.026 297.4)
-
Step 950
950
#27252D
oklch(27% 0.015 296.8)
#665E77 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) | #596278 | 0.022 |
| Deuteranopia (no green cones) | #5A6276 | 0.021 |
| Tritanopia (no blue cones) | #636266 | 0.034 |
| Achromatopsia (no color) | #626262 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665E77
#665E77
oklch(49.9% 0.04 299.6)
- #60664D
#60664D
oklch(49.8% 0.039 118.8)
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 #665E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.037
- Slate #516572 ΔE 0.038
- Dim Gray #696969 ΔE 0.046
- Muted Purple #805B87 ΔE 0.053
- Dull Purple #84597E ΔE 0.054
- Dusty Purple #825F87 ΔE 0.055
- Dusk #4E5481 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
Use #665E77 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.