#555144
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.5% 0.021 92.9), rgb(85, 81, 68).
Aa
White text reads best on this color (7.93:1).
About this color
#555144 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.057 away. White text reads best on it, at 7.93:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #555144 |
| RGB | rgb(85, 81, 68) |
| HSL | hsl(46, 11%, 30%) |
| OKLCH | oklch(43.5% 0.021 92.9) |
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 #555144 | 7.93:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #555144 | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #555144 text on white | 7.93:1 | AAA | Lc 87.5 | Fine for body text |
| #555144 text on black | 2.64:1 | Fails | Lc -14.6 | Not readable |
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 800.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EAEAE7
oklch(93.6% 0.004 106.5)
-
Step 200
200
#DAD9D4
oklch(88.5% 0.007 97.4)
-
Step 300
300
#C3C0B8
oklch(80.8% 0.012 89.7)
-
Step 400
400
#A5A193
oklch(70.8% 0.02 93.7)
-
Step 500
500
#8F8978
oklch(63% 0.026 90.8)
-
Step 600
600
#797361
oklch(55.6% 0.028 91.8)
-
Step 700
700
#666150
oklch(49.2% 0.027 93.5)
-
Step 800
800 (this color)
#555144
oklch(43.5% 0.021 92.9)
-
Step 900
900
#444238
oklch(37.8% 0.017 97.8)
-
Step 950
950
#282621
oklch(26.9% 0.009 88.8)
#555144 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) | #545043 | 0.004 |
| Deuteranopia (no green cones) | #555244 | 0.003 |
| Tritanopia (no blue cones) | #584F4D | 0.019 |
| Achromatopsia (no color) | #515151 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555144
#555144
oklch(43.5% 0.021 92.9)
- #4D515D
#4D515D
oklch(43.6% 0.02 270.9)
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 #555144, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.057
- Mud Brown #60460F ΔE 0.061
- Green Brown #544E03 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.069
- Purple Brown #673A3F ΔE 0.070
- Olive Brown #645403 ΔE 0.071
- Dark Green Blue #1F6357 ΔE 0.074
- Pine #2B5D34 ΔE 0.076
Use #555144 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.