#55574A
Closest named color: Dark Slate Gray (#2F4F4F). oklch(45.1% 0.021 114.3), rgb(85, 87, 74).
Aa
White text reads best on this color (7.37:1).
About this color
#55574A is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.063 away. White text reads best on it, at 7.37:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #55574A |
| RGB | rgb(85, 87, 74) |
| HSL | hsl(69, 8%, 32%) |
| OKLCH | oklch(45.1% 0.021 114.3) |
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 #55574A | 7.37:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #55574A | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #55574A text on white | 7.37:1 | AAA | Lc 85.6 | Fine for body text |
| #55574A 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE7
oklch(93.6% 0.004 106.5)
-
Step 200
200
#D9DAD5
oklch(88.6% 0.007 115.7)
-
Step 300
300
#C0C2B9
oklch(81% 0.013 116.9)
-
Step 400
400
#A0A295
oklch(70.7% 0.019 114)
-
Step 500
500
#898B7B
oklch(63% 0.023 112.9)
-
Step 600
600
#737564
oklch(55.6% 0.026 112.7)
-
Step 700
700
#606352
oklch(49.2% 0.026 115.5)
-
Step 800
800 (this color)
#55574A
oklch(45.1% 0.021 114.3)
-
Step 900
900
#414339
oklch(37.8% 0.017 116.4)
-
Step 950
950
#262721
oklch(27% 0.011 114.8)
#55574A 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) | #595649 | 0.007 |
| Deuteranopia (no green cones) | #59564A | 0.007 |
| Tritanopia (no blue cones) | #575553 | 0.018 |
| Achromatopsia (no color) | #565656 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55574A
#55574A
oklch(45.1% 0.021 114.3)
- #565360
#565360
oklch(45% 0.021 296.1)
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 #55574A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.063
- Dark Green Blue #1F6357 ΔE 0.064
- Slate #516572 ΔE 0.064
- Dusty Grape #545775 ΔE 0.071
- Olive Brown #645403 ΔE 0.072
- Mud Brown #60460F ΔE 0.072
- Pine #2B5D34 ΔE 0.072
- Dim Gray #696969 ΔE 0.073
Use #55574A 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.