#53665B
Closest named color: Slate (#516572). oklch(49.1% 0.029 159.7), rgb(83, 102, 91).
Aa
White text reads best on this color (6.14:1).
About this color
#53665B is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.038 away. White text reads best on it, at 6.14:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #53665B |
| RGB | rgb(83, 102, 91) |
| HSL | hsl(145, 10%, 36%) |
| OKLCH | oklch(49.1% 0.029 159.7) |
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 #53665B | 6.14:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #53665B | 3.41:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #53665B text on white | 6.14:1 | AA | Lc 80.7 | Fine for body text |
| #53665B text on black | 3.41:1 | AA large text | Lc -21.2 | 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
#E8EBE9
oklch(93.7% 0.004 157.2)
-
Step 200
200
#D5DBD7
oklch(88.6% 0.008 157.1)
-
Step 300
300
#B9C3BD
oklch(80.8% 0.014 159.8)
-
Step 400
400
#95A59C
oklch(70.7% 0.022 161.2)
-
Step 500
500
#7B8F83
oklch(63.1% 0.029 159.1)
-
Step 600
600
#64796D
oklch(55.5% 0.031 160.2)
-
Step 700
700 (this color)
#53665B
oklch(49.1% 0.029 159.7)
-
Step 800
800
#44534A
oklch(42.6% 0.024 158.9)
-
Step 900
900
#39453E
oklch(37.7% 0.02 159.7)
-
Step 950
950
#222824
oklch(26.9% 0.011 156.4)
#53665B 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) | #66635A | 0.028 |
| Deuteranopia (no green cones) | #62615C | 0.026 |
| Tritanopia (no blue cones) | #506663 | 0.013 |
| Achromatopsia (no color) | #626262 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53665B
#53665B
oklch(49.1% 0.029 159.7)
- #6C5B66
#6C5B66
oklch(49.2% 0.028 339.2)
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 #53665B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.038
- Dim Gray #696969 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.060
- Dark Aqua #05696B ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.065
- Deep Turquoise #017374 ΔE 0.066
- Dark Olive Green #556B2F ΔE 0.068
Use #53665B 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.