#57665E
Closest named color: Slate (#516572). oklch(49.5% 0.022 162.3), rgb(87, 102, 94).
Aa
White text reads best on this color (6.05:1).
About this color
#57665E is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.034 away. White text reads best on it, at 6.05:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #57665E |
| RGB | rgb(87, 102, 94) |
| HSL | hsl(148, 8%, 37%) |
| OKLCH | oklch(49.5% 0.022 162.3) |
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 #57665E | 6.05:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #57665E | 3.46:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #57665E text on white | 6.05:1 | AA | Lc 80.3 | Fine for body text |
| #57665E text on black | 3.46:1 | AA large text | Lc -21.6 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D6DAD8
oklch(88.5% 0.005 165)
-
Step 300
300
#BBC3BE
oklch(80.9% 0.011 158.8)
-
Step 400
400
#98A49D
oklch(70.7% 0.017 160.4)
-
Step 500
500
#7E8E85
oklch(63.1% 0.023 161.1)
-
Step 600
600
#67786F
oklch(55.6% 0.024 162.5)
-
Step 700
700 (this color)
#57665E
oklch(49.5% 0.022 162.3)
-
Step 800
800
#46524C
oklch(42.6% 0.018 164)
-
Step 900
900
#3B443F
oklch(37.7% 0.015 161.4)
-
Step 950
950
#232825
oklch(27.1% 0.009 159.4)
#57665E 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) | #65645E | 0.021 |
| Deuteranopia (no green cones) | #63625E | 0.021 |
| Tritanopia (no blue cones) | #546664 | 0.010 |
| Achromatopsia (no color) | #626262 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57665E
#57665E
oklch(49.5% 0.022 162.3)
- #6B5D65
#6B5D65
oklch(49.5% 0.022 342.6)
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 #57665E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.034
- Dim Gray #696969 ΔE 0.034
- Dark Moss Green #606C38 ΔE 0.063
- Dark Green Blue #1F6357 ΔE 0.064
- Dark Taupe #7F684E ΔE 0.066
- Dark Aqua #05696B ΔE 0.066
- Battleship Gray #6C757D ΔE 0.068
- Dark Aquamarine #017371 ΔE 0.068
Use #57665E 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.