#5B554A
Closest named color: Slate (#516572). oklch(45.2% 0.019 82.7), rgb(91, 85, 74).
Aa
White text reads best on this color (7.38:1).
About this color
#5B554A is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.066 away. White text reads best on it, at 7.38:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #5B554A |
| RGB | rgb(91, 85, 74) |
| HSL | hsl(39, 10%, 32%) |
| OKLCH | oklch(45.2% 0.019 82.7) |
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 #5B554A | 7.38:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #5B554A | 2.84:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #5B554A text on white | 7.38:1 | AAA | Lc 85.7 | Fine for body text |
| #5B554A text on black | 2.84:1 | Fails | Lc -16.4 | 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 800.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EBEAE7
oklch(93.7% 0.004 91.4)
-
Step 200
200
#DBD9D5
oklch(88.6% 0.006 84.6)
-
Step 300
300
#C4C0B9
oklch(80.9% 0.011 81.8)
-
Step 400
400
#A6A094
oklch(70.7% 0.018 84.6)
-
Step 500
500
#90887A
oklch(63% 0.023 81.7)
-
Step 600
600
#7A7263
oklch(55.5% 0.025 83.2)
-
Step 700
700
#676052
oklch(49.1% 0.023 84.6)
-
Step 800
800 (this color)
#5B554A
oklch(45.2% 0.019 82.7)
-
Step 900
900
#454139
oklch(37.7% 0.014 84.6)
-
Step 950
950
#292621
oklch(27% 0.01 80.6)
#5B554A 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) | #585549 | 0.005 |
| Deuteranopia (no green cones) | #59564A | 0.004 |
| Tritanopia (no blue cones) | #5E5352 | 0.017 |
| Achromatopsia (no color) | #565656 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B554A
#5B554A
oklch(45.2% 0.019 82.7)
- #505661
#505661
oklch(45.2% 0.02 262.7)
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 #5B554A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.066
- Dusty Grape #545775 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.069
- Mud Brown #60460F ΔE 0.070
- Dim Gray #696969 ΔE 0.072
- Brownish Purple #76424E ΔE 0.072
- Olive Brown #645403 ΔE 0.073
- Dark Green Blue #1F6357 ΔE 0.075
Use #5B554A 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.