#575E6F
Closest named color: Slate (#516572). oklch(48.2% 0.029 267.6), rgb(87, 94, 111).
Aa
White text reads best on this color (6.48:1).
About this color
#575E6F is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.021 away. White text reads best on it, at 6.48:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #575E6F |
| RGB | rgb(87, 94, 111) |
| HSL | hsl(222, 12%, 39%) |
| OKLCH | oklch(48.2% 0.029 267.6) |
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 #575E6F | 6.48:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #575E6F | 3.23:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #575E6F text on white | 6.48:1 | AA | Lc 82.2 | Fine for body text |
| #575E6F text on black | 3.23:1 | AA large text | Lc -19.7 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0CA
oklch(80.8% 0.014 272.7)
-
Step 400
400
#9AA0AF
oklch(70.6% 0.023 268.3)
-
Step 500
500
#82899B
oklch(63% 0.028 268.7)
-
Step 600
600
#6B7386
oklch(55.6% 0.031 267.3)
-
Step 700
700 (this color)
#575E6F
oklch(48.2% 0.029 267.6)
-
Step 800
800
#494F5C
oklch(42.7% 0.023 265.8)
-
Step 900
900
#3D414C
oklch(37.6% 0.02 269.6)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#575E6F 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) | #595F70 | 0.005 |
| Deuteranopia (no green cones) | #575D6F | 0.003 |
| Tritanopia (no blue cones) | #516164 | 0.025 |
| Achromatopsia (no color) | #5E5E5E | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575E6F
#575E6F
oklch(48.2% 0.029 267.6)
- #655E4C
#655E4C
oklch(48.3% 0.029 89.3)
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 #575E6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- Dusty Grape #545775 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.037
- Dim Gray #696969 ΔE 0.048
- Dusk #4E5481 ΔE 0.050
- Denim #3B638C ΔE 0.054
- Dusky Blue #475F94 ΔE 0.062
- Metallic Blue #4F738E ΔE 0.067
Use #575E6F 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.