#666376
Closest named color: Dim Gray (#696969). oklch(50.9% 0.03 292.5), rgb(102, 99, 118).
Aa
White text reads best on this color (5.81:1).
About this color
#666376 is a medium-dark close to neutral grey. In OKLCH its lightness is 51%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.032 away. White text reads best on it, at 5.81:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #666376 |
| RGB | rgb(102, 99, 118) |
| HSL | hsl(249, 9%, 43%) |
| OKLCH | oklch(50.9% 0.03 292.5) |
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 #666376 | 5.81:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #666376 | 3.61:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #666376 text on white | 5.81:1 | AA | Lc 79.1 | Fine for body text |
| #666376 text on black | 3.61:1 | AA large text | Lc -22.7 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DE
oklch(88.5% 0.008 293.9)
-
Step 300
300
#C0BFC9
oklch(80.8% 0.014 290.7)
-
Step 400
400
#A19EAE
oklch(70.7% 0.023 294.4)
-
Step 500
500
#8A869A
oklch(63% 0.03 294.7)
-
Step 600
600
#737085
oklch(55.5% 0.032 291.9)
-
Step 700
700 (this color)
#666376
oklch(50.9% 0.03 292.5)
-
Step 800
800
#4F4D5C
oklch(42.8% 0.025 291.4)
-
Step 900
900
#42404B
oklch(37.8% 0.019 293.8)
-
Step 950
950
#26252C
oklch(26.8% 0.013 292.1)
#666376 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) | #5F6577 | 0.011 |
| Deuteranopia (no green cones) | #5F6575 | 0.012 |
| Tritanopia (no blue cones) | #636669 | 0.026 |
| Achromatopsia (no color) | #656565 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666376
#666376
oklch(50.9% 0.03 292.5)
- #666854
#666854
oklch(51% 0.031 112.1)
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 #666376, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.032
- Slate #516572 ΔE 0.032
- Dusty Grape #545775 ΔE 0.048
- Battleship Gray #6C757D ΔE 0.053
- Metallic Blue #4F738E ΔE 0.055
- Dusty Purple #825F87 ΔE 0.057
- Muted Purple #805B87 ΔE 0.058
- Dull Purple #84597E ΔE 0.059
Use #666376 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.