#55665D
Closest named color: Slate (#516572). oklch(49.3% 0.025 162.3), rgb(85, 102, 93).
Aa
White text reads best on this color (6.09:1).
About this color
#55665D is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.035 away. White text reads best on it, at 6.09:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #55665D |
| RGB | rgb(85, 102, 93) |
| HSL | hsl(148, 9%, 37%) |
| OKLCH | oklch(49.3% 0.025 162.3) |
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 #55665D | 6.09:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #55665D | 3.44:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #55665D text on white | 6.09:1 | AA | Lc 80.5 | Fine for body text |
| #55665D text on black | 3.44:1 | AA large text | Lc -21.4 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D5DAD8
oklch(88.4% 0.006 170.4)
-
Step 300
300
#BAC3BE
oklch(80.9% 0.012 162)
-
Step 400
400
#96A59D
oklch(70.8% 0.02 162.7)
-
Step 500
500
#7D8E85
oklch(63% 0.024 162.7)
-
Step 600
600
#66796F
oklch(55.8% 0.027 162.5)
-
Step 700
700 (this color)
#55665D
oklch(49.3% 0.025 162.3)
-
Step 800
800
#45534C
oklch(42.8% 0.021 163.8)
-
Step 900
900
#3A443F
oklch(37.6% 0.016 164)
-
Step 950
950
#222825
oklch(27% 0.01 164.1)
#55665D 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) | #65635D | 0.025 |
| Deuteranopia (no green cones) | #62615D | 0.023 |
| Tritanopia (no blue cones) | #526663 | 0.010 |
| Achromatopsia (no color) | #626262 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55665D
#55665D
oklch(49.3% 0.025 162.3)
- #6C5C65
#6C5C65
oklch(49.3% 0.025 343.2)
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 #55665D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.035
- Dim Gray #696969 ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.061
- Dark Moss Green #606C38 ΔE 0.062
- Dark Aqua #05696B ΔE 0.064
- Dark Aquamarine #017371 ΔE 0.066
- Deep Turquoise #017374 ΔE 0.067
- Dark Taupe #7F684E ΔE 0.068
Use #55665D 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.