#555A68
Closest named color: Dusty Grape (#545775). oklch(46.8% 0.024 269.9), rgb(85, 90, 104).
Aa
White text reads best on this color (6.88:1).
About this color
#555A68 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.026 away. White text reads best on it, at 6.88:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #555A68 |
| RGB | rgb(85, 90, 104) |
| HSL | hsl(224, 10%, 37%) |
| OKLCH | oklch(46.8% 0.024 269.9) |
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 #555A68 | 6.88:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #555A68 | 3.04:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #555A68 text on white | 6.88:1 | AA | Lc 83.8 | Fine for body text |
| #555A68 text on black | 3.04:1 | AA large text | Lc -18.1 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BDC0C8
oklch(80.8% 0.012 269.5)
-
Step 400
400
#9CA0AC
oklch(70.6% 0.018 271.2)
-
Step 500
500
#848998
oklch(63.1% 0.023 271)
-
Step 600
600
#6D7383
oklch(55.6% 0.026 269.2)
-
Step 700
700 (this color)
#555A68
oklch(46.8% 0.024 269.9)
-
Step 800
800
#4B4F5A
oklch(42.8% 0.019 269.7)
-
Step 900
900
#3E414A
oklch(37.6% 0.016 271)
-
Step 950
950
#24262B
oklch(26.9% 0.01 268.3)
#555A68 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) | #565B69 | 0.004 |
| Deuteranopia (no green cones) | #555968 | 0.003 |
| Tritanopia (no blue cones) | #515D5F | 0.021 |
| Achromatopsia (no color) | #5A5A5A | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555A68
#555A68
oklch(46.8% 0.024 269.9)
- #5F5A4C
#5F5A4C
oklch(46.8% 0.023 90.7)
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 #555A68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.026
- Slate #516572 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.036
- Dusk #4E5481 ΔE 0.051
- Dim Gray #696969 ΔE 0.058
- Denim #3B638C ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.071
Use #555A68 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.